21885660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40529}}^1$

素因数の和:40547

約数の個数: 48

約数和(自身を含む): 68090400

約数和(自身を除く): 46204740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40529, 81058, 121587, 162116, 202645, 243174, 364761, 405290, 486348, 607935, 729522, 810580, 1094283, 1215870, 1459044, 1823805, 2188566, 2431740, 3647610, 4377132, 5471415, 7295220, 10942830, 21885660]

約数ペア:

[(1, 21885660), (2, 10942830), (3, 7295220), (4, 5471415), (5, 4377132), (6, 3647610), (9, 2431740), (10, 2188566), (12, 1823805), (15, 1459044), (18, 1215870), (20, 1094283), (27, 810580), (30, 729522), (36, 607935), (45, 486348), (54, 405290), (60, 364761), (90, 243174), (108, 202645), (135, 162116), (180, 121587), (270, 81058), (540, 40529)]