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A003530 Divisors of 2^21 - 1. 1
1, 7, 49, 127, 337, 889, 2359, 6223, 16513, 42799, 299593, 2097151 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

Index entries for sequences related to divisors of numbers

CROSSREFS

Sequence in context: A082701 A044145 A152777 * A262269 A163827 A206989

Adjacent sequences:  A003527 A003528 A003529 * A003531 A003532 A003533

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 6 14:43 EST 2016. Contains 278781 sequences.