21455214

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{325079}}^1$

素因数の和:325095

約数の個数: 16

約数和(自身を含む): 46811520

約数和(自身を除く): 25356306

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 325079, 650158, 975237, 1950474, 3575869, 7151738, 10727607, 21455214]

約数ペア:

[(1, 21455214), (2, 10727607), (3, 7151738), (6, 3575869), (11, 1950474), (22, 975237), (33, 650158), (66, 325079)]