21921772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1801}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 18947588

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 1801, 3043, 3602, 6086, 7204, 12172, 30617, 61234, 122468, 322379, 644758, 1289516, 5480443, 10960886, 21921772]

約数ペア:

[(1, 21921772), (2, 10960886), (4, 5480443), (17, 1289516), (34, 644758), (68, 322379), (179, 122468), (358, 61234), (716, 30617), (1801, 12172), (3043, 7204), (3602, 6086)]