21105303

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 29914368

約数和(自身を除く): 8809065

約数列:

[1, 3, 43, 47, 59, 129, 141, 177, 2021, 2537, 2773, 3481, 6063, 7611, 8319, 10443, 119239, 149683, 163607, 357717, 449049, 490821, 7035101, 21105303]

約数ペア:

[(1, 21105303), (3, 7035101), (43, 490821), (47, 449049), (59, 357717), (129, 163607), (141, 149683), (177, 119239), (2021, 10443), (2537, 8319), (2773, 7611), (3481, 6063)]