21081465604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{310021553}}^1$

素因数の和:310021574

約数の個数: 12

約数和(自身を含む): 39062715804

約数和(自身を除く): 17981250200

約数列:

[1, 2, 4, 17, 34, 68, 310021553, 620043106, 1240086212, 5270366401, 10540732802, 21081465604]

約数ペア:

[(1, 21081465604), (2, 10540732802), (4, 5270366401), (17, 1240086212), (34, 620043106), (68, 310021553)]