21475799471

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{165541}}^1$

素因数の和:166022

約数の個数: 16

約数和(自身を含む): 25172978688

約数和(自身を除く): 3697179217

約数列:

[1, 7, 43, 301, 431, 3017, 18533, 129731, 165541, 1158787, 7118263, 49827841, 71348171, 499437197, 3067971353, 21475799471]

約数ペア:

[(1, 21475799471), (7, 3067971353), (43, 499437197), (301, 71348171), (431, 49827841), (3017, 7118263), (18533, 1158787), (129731, 165541)]