21855713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 3027487

約数列:

[1, 11, 31, 107, 341, 599, 1177, 3317, 6589, 18569, 36487, 64093, 204259, 705023, 1986883, 21855713]

約数ペア:

[(1, 21855713), (11, 1986883), (31, 705023), (107, 204259), (341, 64093), (599, 36487), (1177, 18569), (3317, 6589)]