2021086781

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{580939}}^1$

素因数の和:581024

約数の個数: 12

約数和(自身を含む): 2384177760

約数和(自身を除く): 363090979

約数列:

[1, 7, 49, 71, 497, 3479, 580939, 4066573, 28466011, 41246669, 288726683, 2021086781]

約数ペア:

[(1, 2021086781), (7, 288726683), (49, 41246669), (71, 28466011), (497, 4066573), (3479, 580939)]