20211583

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 24070720

約数和(自身を除く): 3859137

約数列:

[1, 7, 37, 73, 259, 511, 1069, 2701, 7483, 18907, 39553, 78037, 276871, 546259, 2887369, 20211583]

約数ペア:

[(1, 20211583), (7, 2887369), (37, 546259), (73, 276871), (259, 78037), (511, 39553), (1069, 18907), (2701, 7483)]