21631372

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7649}}^1$

素因数の和:7761

約数の個数: 24

約数和(自身を含む): 43696800

約数和(自身を除く): 22065428

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7649, 15298, 30596, 53543, 107086, 214172, 772549, 1545098, 3090196, 5407843, 10815686, 21631372]

約数ペア:

[(1, 21631372), (2, 10815686), (4, 5407843), (7, 3090196), (14, 1545098), (28, 772549), (101, 214172), (202, 107086), (404, 53543), (707, 30596), (1414, 15298), (2828, 7649)]