21701121

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 32711616

約数和(自身を除く): 11010495

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 1861, 3887, 5583, 11661, 24193, 42803, 72579, 128409, 314509, 556439, 943527, 1669317, 7233707, 21701121]

約数ペア:

[(1, 21701121), (3, 7233707), (13, 1669317), (23, 943527), (39, 556439), (69, 314509), (169, 128409), (299, 72579), (507, 42803), (897, 24193), (1861, 11661), (3887, 5583)]