21894660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121637}}^1$

素因数の和:121652

約数の個数: 36

約数和(自身を含む): 66414348

約数和(自身を除く): 44519688

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121637, 243274, 364911, 486548, 608185, 729822, 1094733, 1216370, 1459644, 1824555, 2189466, 2432740, 3649110, 4378932, 5473665, 7298220, 10947330, 21894660]

約数ペア:

[(1, 21894660), (2, 10947330), (3, 7298220), (4, 5473665), (5, 4378932), (6, 3649110), (9, 2432740), (10, 2189466), (12, 1824555), (15, 1459644), (18, 1216370), (20, 1094733), (30, 729822), (36, 608185), (45, 486548), (60, 364911), (90, 243274), (180, 121637)]