21726564

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16921}}^1$

素因数の和:17035

約数の個数: 24

約数和(自身を含む): 51172128

約数和(自身を除く): 29445564

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16921, 33842, 50763, 67684, 101526, 203052, 1810547, 3621094, 5431641, 7242188, 10863282, 21726564]

約数ペア:

[(1, 21726564), (2, 10863282), (3, 7242188), (4, 5431641), (6, 3621094), (12, 1810547), (107, 203052), (214, 101526), (321, 67684), (428, 50763), (642, 33842), (1284, 16921)]