21742851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1471}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 31324160

約数和(自身を除く): 9581309

約数列:

[1, 3, 13, 39, 379, 1137, 1471, 4413, 4927, 14781, 19123, 57369, 557509, 1672527, 7247617, 21742851]

約数ペア:

[(1, 21742851), (3, 7247617), (13, 1672527), (39, 557509), (379, 57369), (1137, 19123), (1471, 14781), (4413, 4927)]