21432305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5524495

約数列:

[1, 5, 29, 79, 145, 395, 1871, 2291, 9355, 11455, 54259, 147809, 271295, 739045, 4286461, 21432305]

約数ペア:

[(1, 21432305), (5, 4286461), (29, 739045), (79, 271295), (145, 147809), (395, 54259), (1871, 11455), (2291, 9355)]