21885804

素因数分解:

$2^2\times 3^2\times {\mathrm{607939}}^1$

素因数の和:607949

約数の個数: 18

約数和(自身を含む): 55322540

約数和(自身を除く): 33436736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607939, 1215878, 1823817, 2431756, 3647634, 5471451, 7295268, 10942902, 21885804]

約数ペア:

[(1, 21885804), (2, 10942902), (3, 7295268), (4, 5471451), (6, 3647634), (9, 2431756), (12, 1823817), (18, 1215878), (36, 607939)]