21783751

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4454

約数の個数: 12

約数和(自身を含む): 24533712

約数和(自身を除く): 2749961

約数列:

[1, 11, 41, 121, 451, 4391, 4961, 48301, 180031, 531311, 1980341, 21783751]

約数ペア:

[(1, 21783751), (11, 1980341), (41, 531311), (121, 180031), (451, 48301), (4391, 4961)]