21804727

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 4866953

約数列:

[1, 7, 17, 97, 119, 679, 1649, 1889, 11543, 13223, 32113, 183233, 224791, 1282631, 3114961, 21804727]

約数ペア:

[(1, 21804727), (7, 3114961), (17, 1282631), (97, 224791), (119, 183233), (679, 32113), (1649, 13223), (1889, 11543)]