21151124

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{593}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 38236968

約数和(自身を除く): 17085844

約数列:

[1, 2, 4, 37, 74, 148, 241, 482, 593, 964, 1186, 2372, 8917, 17834, 21941, 35668, 43882, 87764, 142913, 285826, 571652, 5287781, 10575562, 21151124]

約数ペア:

[(1, 21151124), (2, 10575562), (4, 5287781), (37, 571652), (74, 285826), (148, 142913), (241, 87764), (482, 43882), (593, 35668), (964, 21941), (1186, 17834), (2372, 8917)]