21610580

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2851}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 45517920

約数和(自身を除く): 23907340

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2851, 3790, 5702, 7580, 11404, 14255, 28510, 57020, 1080529, 2161058, 4322116, 5402645, 10805290, 21610580]

約数ペア:

[(1, 21610580), (2, 10805290), (4, 5402645), (5, 4322116), (10, 2161058), (20, 1080529), (379, 57020), (758, 28510), (1516, 14255), (1895, 11404), (2851, 7580), (3790, 5702)]