21267468

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1031}}^1$

素因数の和:1235

約数の個数: 48

約数和(自身を含む): 55480320

約数和(自身を除く): 34212852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1031, 1146, 1719, 2062, 2292, 3093, 3438, 4124, 5157, 6186, 6876, 9279, 10314, 12372, 18558, 20628, 27837, 37116, 55674, 111348, 196921, 393842, 590763, 787684, 1181526, 1772289, 2363052, 3544578, 5316867, 7089156, 10633734, 21267468]

約数ペア:

[(1, 21267468), (2, 10633734), (3, 7089156), (4, 5316867), (6, 3544578), (9, 2363052), (12, 1772289), (18, 1181526), (27, 787684), (36, 590763), (54, 393842), (108, 196921), (191, 111348), (382, 55674), (573, 37116), (764, 27837), (1031, 20628), (1146, 18558), (1719, 12372), (2062, 10314), (2292, 9279), (3093, 6876), (3438, 6186), (4124, 5157)]