%I #21 Oct 21 2023 23:40:28
%S 1,3,7,9,21,43,49,63,127,129,147,301,337,381,387,441,889,903,1011,
%T 1143,2107,2359,2667,2709,3033,5419,5461,6223,6321,7077,8001,14491,
%U 16257,16383,16513,18669,18963,21231
%N Divisors of 2^42 - 1.
%H T. D. Noe, <a href="/A003547/b003547.txt">Table of n, a(n) for n = 1..144</a> (all divisors)
%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>
%t Divisors[2^42-1] (* _Harvey P. Dale_, Mar 01 2012 *)
%o (PARI) divisors(2^42-1) \\ _Charles R Greathouse IV_, Jun 21 2017
%K nonn,fini,full,easy
%O 1,2
%A _N. J. A. Sloane_