21131001359

素因数分解:

${\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{379}}^1\times {\mathrm{3203}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 23171840640

約数和(自身を除く): 2040839281

約数列:

[1, 13, 103, 169, 379, 1339, 3203, 4927, 17407, 39037, 41639, 64051, 329909, 507481, 541307, 1213937, 4288817, 6597253, 15781181, 55754621, 125035511, 205155353, 1625461643, 21131001359]

約数ペア:

[(1, 21131001359), (13, 1625461643), (103, 205155353), (169, 125035511), (379, 55754621), (1339, 15781181), (3203, 6597253), (4927, 4288817), (17407, 1213937), (39037, 541307), (41639, 507481), (64051, 329909)]