21103698321

素因数分解:

$3^2\times {\mathrm{1889}}^1\times {\mathrm{1241321}}^1$

素因数の和:1243216

約数の個数: 12

約数和(自身を含む): 30499281540

約数和(自身を除く): 9395583219

約数列:

[1, 3, 9, 1889, 5667, 17001, 1241321, 3723963, 11171889, 2344855369, 7034566107, 21103698321]

約数ペア:

[(1, 21103698321), (3, 7034566107), (9, 2344855369), (1889, 11171889), (5667, 3723963), (17001, 1241321)]