21737540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98807}}^1$

素因数の和:98827

約数の個数: 24

約数和(自身を含む): 49799232

約数和(自身を除く): 28061692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98807, 197614, 395228, 494035, 988070, 1086877, 1976140, 2173754, 4347508, 5434385, 10868770, 21737540]

約数ペア:

[(1, 21737540), (2, 10868770), (4, 5434385), (5, 4347508), (10, 2173754), (11, 1976140), (20, 1086877), (22, 988070), (44, 494035), (55, 395228), (110, 197614), (220, 98807)]