21300406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1151}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 33730560

約数和(自身を除く): 12430154

約数列:

[1, 2, 19, 38, 487, 974, 1151, 2302, 9253, 18506, 21869, 43738, 560537, 1121074, 10650203, 21300406]

約数ペア:

[(1, 21300406), (2, 10650203), (19, 1121074), (38, 560537), (487, 43738), (974, 21869), (1151, 18506), (2302, 9253)]