21525147

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5791}}^1$

素因数の和:5863

約数の個数: 24

約数和(自身を含む): 36142080

約数和(自身を除く): 14616933

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5791, 17373, 40537, 52119, 121611, 341669, 364833, 1025007, 2391683, 3075021, 7175049, 21525147]

約数ペア:

[(1, 21525147), (3, 7175049), (7, 3075021), (9, 2391683), (21, 1025007), (59, 364833), (63, 341669), (177, 121611), (413, 52119), (531, 40537), (1239, 17373), (3717, 5791)]