21185335

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 4942025

約数列:

[1, 5, 71, 83, 355, 415, 719, 3595, 5893, 29465, 51049, 59677, 255245, 298385, 4237067, 21185335]

約数ペア:

[(1, 21185335), (5, 4237067), (71, 298385), (83, 255245), (355, 59677), (415, 51049), (719, 29465), (3595, 5893)]