21568441741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2719511}}^1$

素因数の和:2719632

約数の個数: 16

約数和(自身を含む): 27151607808

約数和(自身を除く): 5583166067

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 2719511, 19036577, 29914621, 209402347, 280109633, 1960767431, 3081205963, 21568441741]

約数ペア:

[(1, 21568441741), (7, 3081205963), (11, 1960767431), (77, 280109633), (103, 209402347), (721, 29914621), (1133, 19036577), (7931, 2719511)]