2021159707

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{13841}}^1$

素因数の和:14778

約数の個数: 16

約数和(自身を含む): 2413158912

約数和(自身を除く): 391999205

約数列:

[1, 7, 23, 161, 907, 6349, 13841, 20861, 96887, 146027, 318343, 2228401, 12553787, 87876509, 288737101, 2021159707]

約数ペア:

[(1, 2021159707), (7, 288737101), (23, 87876509), (161, 12553787), (907, 2228401), (6349, 318343), (13841, 146027), (20861, 96887)]