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A034663
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Sum of n-th powers of divisors of 21.
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1
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4, 32, 500, 9632, 196964, 4101152, 85884500, 1801914272, 37828630724, 794320419872, 16680163512500, 350279478046112, 7355841353205284, 154472474629724192, 3243920610749364500, 68122323330527541152
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