21219270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1009}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 51049440

約数和(自身を除く): 29830170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701, 1009, 1402, 2018, 2103, 3027, 3505, 4206, 5045, 6054, 7010, 10090, 10515, 15135, 21030, 30270, 707309, 1414618, 2121927, 3536545, 4243854, 7073090, 10609635, 21219270]

約数ペア:

[(1, 21219270), (2, 10609635), (3, 7073090), (5, 4243854), (6, 3536545), (10, 2121927), (15, 1414618), (30, 707309), (701, 30270), (1009, 21030), (1402, 15135), (2018, 10515), (2103, 10090), (3027, 7010), (3505, 6054), (4206, 5045)]