21543951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3863}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 33941376

約数和(自身を除く): 12397425

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3863, 5577, 11589, 42493, 50219, 127479, 150657, 552409, 652847, 1657227, 1958541, 7181317, 21543951]

約数ペア:

[(1, 21543951), (3, 7181317), (11, 1958541), (13, 1657227), (33, 652847), (39, 552409), (143, 150657), (169, 127479), (429, 50219), (507, 42493), (1859, 11589), (3863, 5577)]