21119358

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270761}}^1$

素因数の和:270779

約数の個数: 16

約数和(自身を含む): 45488016

約数和(自身を除く): 24368658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270761, 541522, 812283, 1624566, 3519893, 7039786, 10559679, 21119358]

約数ペア:

[(1, 21119358), (2, 10559679), (3, 7039786), (6, 3519893), (13, 1624566), (26, 812283), (39, 541522), (78, 270761)]