2113019979

素因数分解:

$3^1\times 7^1\times {\mathrm{9887}}^1\times {\mathrm{10177}}^1$

素因数の和:20074

約数の個数: 16

約数和(自身を含む): 3220482048

約数和(自身を除く): 1107462069

約数列:

[1, 3, 7, 21, 9887, 10177, 29661, 30531, 69209, 71239, 207627, 213717, 100619999, 301859997, 704339993, 2113019979]

約数ペア:

[(1, 2113019979), (3, 704339993), (7, 301859997), (21, 100619999), (9887, 213717), (10177, 207627), (29661, 71239), (30531, 69209)]