21304828070

素因数分解:

$2^1\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{484531}}^1$

素因数の和:488935

約数の個数: 16

約数和(自身を含む): 38357491248

約数和(自身を除く): 17052663178

約数列:

[1, 2, 5, 10, 4397, 8794, 21985, 43970, 484531, 969062, 2422655, 4845310, 2130482807, 4260965614, 10652414035, 21304828070]

約数ペア:

[(1, 21304828070), (2, 10652414035), (5, 4260965614), (10, 2130482807), (4397, 4845310), (8794, 2422655), (21985, 969062), (43970, 484531)]