21090652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3217}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 40546800

約数和(自身を除く): 19456148

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3217, 3278, 6434, 6556, 12868, 35387, 70774, 141548, 479333, 958666, 1917332, 5272663, 10545326, 21090652]

約数ペア:

[(1, 21090652), (2, 10545326), (4, 5272663), (11, 1917332), (22, 958666), (44, 479333), (149, 141548), (298, 70774), (596, 35387), (1639, 12868), (3217, 6556), (3278, 6434)]