21928396

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2551}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 44016896

約数和(自身を除く): 22088500

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 2551, 4298, 5102, 8596, 10204, 17857, 35714, 71428, 783157, 1566314, 3132628, 5482099, 10964198, 21928396]

約数ペア:

[(1, 21928396), (2, 10964198), (4, 5482099), (7, 3132628), (14, 1566314), (28, 783157), (307, 71428), (614, 35714), (1228, 17857), (2149, 10204), (2551, 8596), (4298, 5102)]