21007866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318301}}^1$

素因数の和:318317

約数の個数: 16

約数和(自身を含む): 45835488

約数和(自身を除く): 24827622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318301, 636602, 954903, 1909806, 3501311, 7002622, 10503933, 21007866]

約数ペア:

[(1, 21007866), (2, 10503933), (3, 7002622), (6, 3501311), (11, 1909806), (22, 954903), (33, 636602), (66, 318301)]