21662751

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 32175360

約数和(自身を除く): 10512609

約数列:

[1, 3, 11, 33, 83, 121, 249, 363, 719, 913, 2157, 2739, 7909, 10043, 23727, 30129, 59677, 86999, 179031, 260997, 656447, 1969341, 7220917, 21662751]

約数ペア:

[(1, 21662751), (3, 7220917), (11, 1969341), (33, 656447), (83, 260997), (121, 179031), (249, 86999), (363, 59677), (719, 30129), (913, 23727), (2157, 10043), (2739, 7909)]