21585753

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14897}}^1$

素因数の和:14933

約数の個数: 24

約数和(自身を含む): 37185408

約数和(自身を除く): 15599655

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14897, 44691, 104279, 134073, 312837, 342631, 938511, 1027893, 2398417, 3083679, 7195251, 21585753]

約数ペア:

[(1, 21585753), (3, 7195251), (7, 3083679), (9, 2398417), (21, 1027893), (23, 938511), (63, 342631), (69, 312837), (161, 134073), (207, 104279), (483, 44691), (1449, 14897)]