21268629

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 12772971

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1181, 2001, 3543, 6003, 10629, 18009, 27163, 31887, 34249, 81489, 102747, 244467, 308241, 733401, 787727, 924723, 2363181, 7089543, 21268629]

約数ペア:

[(1, 21268629), (3, 7089543), (9, 2363181), (23, 924723), (27, 787727), (29, 733401), (69, 308241), (87, 244467), (207, 102747), (261, 81489), (621, 34249), (667, 31887), (783, 27163), (1181, 18009), (2001, 10629), (3543, 6003)]