21725302

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 33202224

約数和(自身を除く): 11476922

約数列:

[1, 2, 101, 131, 202, 262, 821, 1642, 13231, 26462, 82921, 107551, 165842, 215102, 10862651, 21725302]

約数ペア:

[(1, 21725302), (2, 10862651), (101, 215102), (131, 165842), (202, 107551), (262, 82921), (821, 26462), (1642, 13231)]