21046565

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 26345088

約数和(自身を除く): 5298523

約数列:

[1, 5, 43, 53, 215, 265, 1847, 2279, 9235, 11395, 79421, 97891, 397105, 489455, 4209313, 21046565]

約数ペア:

[(1, 21046565), (5, 4209313), (43, 489455), (53, 397105), (215, 97891), (265, 79421), (1847, 11395), (2279, 9235)]