21081775684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{310026113}}^1$

素因数の和:310026134

約数の個数: 12

約数和(自身を含む): 39063290364

約数和(自身を除く): 17981514680

約数列:

[1, 2, 4, 17, 34, 68, 310026113, 620052226, 1240104452, 5270443921, 10540887842, 21081775684]

約数ペア:

[(1, 21081775684), (2, 10540887842), (4, 5270443921), (17, 1240104452), (34, 620052226), (68, 310026113)]