21726693

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 32205888

約数和(自身を除く): 10479195

約数列:

[1, 3, 9, 67, 137, 201, 263, 411, 603, 789, 1233, 2367, 9179, 17621, 27537, 36031, 52863, 82611, 108093, 158589, 324279, 2414077, 7242231, 21726693]

約数ペア:

[(1, 21726693), (3, 7242231), (9, 2414077), (67, 324279), (137, 158589), (201, 108093), (263, 82611), (411, 52863), (603, 36031), (789, 27537), (1233, 17621), (2367, 9179)]