21415845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129793}}^1$

素因数の和:129812

約数の個数: 16

約数和(自身を含む): 37380672

約数和(自身を除く): 15964827

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129793, 389379, 648965, 1427723, 1946895, 4283169, 7138615, 21415845]

約数ペア:

[(1, 21415845), (3, 7138615), (5, 4283169), (11, 1946895), (15, 1427723), (33, 648965), (55, 389379), (165, 129793)]