21904002

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19949}}^1$

素因数の和:20018

約数の個数: 24

約数和(自身を含む): 48239100

約数和(自身を除く): 26335098

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19949, 39898, 59847, 119694, 179541, 359082, 1216889, 2433778, 3650667, 7301334, 10952001, 21904002]

約数ペア:

[(1, 21904002), (2, 10952001), (3, 7301334), (6, 3650667), (9, 2433778), (18, 1216889), (61, 359082), (122, 179541), (183, 119694), (366, 59847), (549, 39898), (1098, 19949)]