21104721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7351}}^1$

素因数の和:7397

約数の個数: 24

約数和(自身を含む): 34407360

約数和(自身を除く): 13302639

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7351, 22053, 66159, 80861, 213179, 242583, 639537, 727749, 1918611, 2344969, 7034907, 21104721]

約数ペア:

[(1, 21104721), (3, 7034907), (9, 2344969), (11, 1918611), (29, 727749), (33, 639537), (87, 242583), (99, 213179), (261, 80861), (319, 66159), (957, 22053), (2871, 7351)]