21701570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6803}}^1$

素因数の和:6850

約数の個数: 32

約数和(自身を含む): 44089920

約数和(自身を除く): 22388350

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6803, 13606, 34015, 68030, 74833, 149666, 197287, 374165, 394574, 748330, 986435, 1972870, 2170157, 4340314, 10850785, 21701570]

約数ペア:

[(1, 21701570), (2, 10850785), (5, 4340314), (10, 2170157), (11, 1972870), (22, 986435), (29, 748330), (55, 394574), (58, 374165), (110, 197287), (145, 149666), (290, 74833), (319, 68030), (638, 34015), (1595, 13606), (3190, 6803)]