213110

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 16

約数和(自身を含む): 389232

約数和(自身を除く): 176122

約数列:

[1, 2, 5, 10, 101, 202, 211, 422, 505, 1010, 1055, 2110, 21311, 42622, 106555, 213110]

約数ペア:

[(1, 213110), (2, 106555), (5, 42622), (10, 21311), (101, 2110), (202, 1055), (211, 1010), (422, 505)]