21303110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73459}}^1$

素因数の和:73495

約数の個数: 16

約数和(自身を含む): 39668400

約数和(自身を除く): 18365290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73459, 146918, 367295, 734590, 2130311, 4260622, 10651555, 21303110]

約数ペア:

[(1, 21303110), (2, 10651555), (5, 4260622), (10, 2130311), (29, 734590), (58, 367295), (145, 146918), (290, 73459)]