21007029221

素因数分解:

${\mathrm{71}}^1\times {\mathrm{3037}}^1\times {\mathrm{97423}}^1$

素因数の和:100531

約数の個数: 8

約数和(自身を含む): 21310136064

約数和(自身を除く): 303106843

約数列:

[1, 71, 3037, 97423, 215627, 6917033, 295873651, 21007029221]

約数ペア:

[(1, 21007029221), (71, 295873651), (3037, 6917033), (97423, 215627)]