21435354241

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{1433}}^1\times {\mathrm{16067}}^1$

素因数の和:17533

約数の個数: 24

約数和(自身を含む): 26267323680

約数和(自身を除く): 4831969439

約数列:

[1, 7, 19, 49, 133, 931, 1433, 10031, 16067, 27227, 70217, 112469, 190589, 305273, 787283, 1334123, 2136911, 14958377, 23024011, 161168077, 437456209, 1128176539, 3062193463, 21435354241]

約数ペア:

[(1, 21435354241), (7, 3062193463), (19, 1128176539), (49, 437456209), (133, 161168077), (931, 23024011), (1433, 14958377), (10031, 2136911), (16067, 1334123), (27227, 787283), (70217, 305273), (112469, 190589)]