21311943121

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{4729}}^1\times {\mathrm{37871}}^1$

素因数の和:42624

約数の個数: 16

約数和(自身を含む): 25795376640

約数和(自身を除く): 4483433519

約数列:

[1, 7, 17, 119, 4729, 33103, 37871, 80393, 265097, 562751, 643807, 4506649, 179091959, 1253643713, 3044563303, 21311943121]

約数ペア:

[(1, 21311943121), (7, 3044563303), (17, 1253643713), (119, 179091959), (4729, 4506649), (33103, 643807), (37871, 562751), (80393, 265097)]