21232280

素因数分解:

$2^3\times 5^1\times {\mathrm{530807}}^1$

素因数の和:530818

約数の個数: 16

約数和(自身を含む): 47772720

約数和(自身を除く): 26540440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 530807, 1061614, 2123228, 2654035, 4246456, 5308070, 10616140, 21232280]

約数ペア:

[(1, 21232280), (2, 10616140), (4, 5308070), (5, 4246456), (8, 2654035), (10, 2123228), (20, 1061614), (40, 530807)]