21081644

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89329}}^1$

素因数の和:89392

約数の個数: 12

約数和(自身を含む): 37518600

約数和(自身を除く): 16436956

約数列:

[1, 2, 4, 59, 118, 236, 89329, 178658, 357316, 5270411, 10540822, 21081644]

約数ペア:

[(1, 21081644), (2, 10540822), (4, 5270411), (59, 357316), (118, 178658), (236, 89329)]