21069939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2053}}^1$

素因数の和:2378

約数の個数: 16

約数和(自身を含む): 30760704

約数和(自身を除く): 9690765

約数列:

[1, 3, 11, 33, 311, 933, 2053, 3421, 6159, 10263, 22583, 67749, 638483, 1915449, 7023313, 21069939]

約数ペア:

[(1, 21069939), (3, 7023313), (11, 1915449), (33, 638483), (311, 67749), (933, 22583), (2053, 10263), (3421, 6159)]