21357311

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2229889

約数列:

[1, 19, 29, 83, 467, 551, 1577, 2407, 8873, 13543, 38761, 45733, 257317, 736459, 1124069, 21357311]

約数ペア:

[(1, 21357311), (19, 1124069), (29, 736459), (83, 257317), (467, 45733), (551, 38761), (1577, 13543), (2407, 8873)]