212913309721

素因数分解:

$7^1\times {\mathrm{2351}}^2\times {\mathrm{5503}}^1$

素因数の和:10212

約数の個数: 12

約数和(自身を含む): 243477277696

約数和(自身を除く): 30563967975

約数列:

[1, 7, 2351, 5503, 16457, 38521, 5527201, 12937553, 38690407, 90562871, 30416187103, 212913309721]

約数ペア:

[(1, 212913309721), (7, 30416187103), (2351, 90562871), (5503, 38690407), (16457, 12937553), (38521, 5527201)]