21801870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242243}}^1$

素因数の和:242256

約数の個数: 24

約数和(自身を含む): 56685096

約数和(自身を除く): 34883226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242243, 484486, 726729, 1211215, 1453458, 2180187, 2422430, 3633645, 4360374, 7267290, 10900935, 21801870]

約数ペア:

[(1, 21801870), (2, 10900935), (3, 7267290), (5, 4360374), (6, 3633645), (9, 2422430), (10, 2180187), (15, 1453458), (18, 1211215), (30, 726729), (45, 484486), (90, 242243)]