21204831

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10141}}^1$

素因数の和:10202

約数の個数: 16

約数和(自身を含む): 30669408

約数和(自身を除く): 9464577

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10141, 30423, 172397, 415781, 517191, 1247343, 7068277, 21204831]

約数ペア:

[(1, 21204831), (3, 7068277), (17, 1247343), (41, 517191), (51, 415781), (123, 172397), (697, 30423), (2091, 10141)]