21105874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{4111}}^1$

素因数の和:4281

約数の個数: 16

約数和(自身を含む): 33751296

約数和(自身を除く): 12645422

約数列:

[1, 2, 17, 34, 151, 302, 2567, 4111, 5134, 8222, 69887, 139774, 620761, 1241522, 10552937, 21105874]

約数ペア:

[(1, 21105874), (2, 10552937), (17, 1241522), (34, 620761), (151, 139774), (302, 69887), (2567, 8222), (4111, 5134)]