21952671

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13729}}^1$

素因数の和:13786

約数の個数: 16

約数和(自身を含む): 32292960

約数和(自身を除く): 10340289

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13729, 41187, 178477, 535431, 562889, 1688667, 7317557, 21952671]

約数ペア:

[(1, 21952671), (3, 7317557), (13, 1688667), (39, 562889), (41, 535431), (123, 178477), (533, 41187), (1599, 13729)]