21826692009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{78231871}}^1$

素因数の和:78231908

約数の個数: 12

約数和(自身を含む): 32544458752

約数和(自身を除く): 10717766743

約数列:

[1, 3, 9, 31, 93, 279, 78231871, 234695613, 704086839, 2425188001, 7275564003, 21826692009]

約数ペア:

[(1, 21826692009), (3, 7275564003), (9, 2425188001), (31, 704086839), (93, 234695613), (279, 78231871)]