21883939

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3691}}^1$

素因数の和:3727

約数の個数: 18

約数和(自身を含む): 27989052

約数和(自身を除く): 6105113

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3691, 5929, 25837, 40601, 180859, 284207, 446611, 1989449, 3126277, 21883939]

約数ペア:

[(1, 21883939), (7, 3126277), (11, 1989449), (49, 446611), (77, 284207), (121, 180859), (539, 40601), (847, 25837), (3691, 5929)]