21010297

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 27380160

約数和(自身を除く): 6369863

約数列:

[1, 7, 11, 29, 77, 97, 203, 319, 679, 1067, 2233, 2813, 7469, 9409, 19691, 30943, 65863, 103499, 216601, 272861, 724493, 1910027, 3001471, 21010297]

約数ペア:

[(1, 21010297), (7, 3001471), (11, 1910027), (29, 724493), (77, 272861), (97, 216601), (203, 103499), (319, 65863), (679, 30943), (1067, 19691), (2233, 9409), (2813, 7469)]