21292788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161309}}^1$

素因数の和:161327

約数の個数: 24

約数和(自身を含む): 54200160

約数和(自身を除く): 32907372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161309, 322618, 483927, 645236, 967854, 1774399, 1935708, 3548798, 5323197, 7097596, 10646394, 21292788]

約数ペア:

[(1, 21292788), (2, 10646394), (3, 7097596), (4, 5323197), (6, 3548798), (11, 1935708), (12, 1774399), (22, 967854), (33, 645236), (44, 483927), (66, 322618), (132, 161309)]