16809821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4871}}^1$

素因数の和:4924

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 4237219

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 4871, 34097, 82807, 141259, 579649, 988813, 2401403, 16809821]

約数ペア:

[(1, 16809821), (7, 2401403), (17, 988813), (29, 579649), (119, 141259), (203, 82807), (493, 34097), (3451, 4871)]