21532180

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1187}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 45305568

約数和(自身を除く): 23773388

約数列:

[1, 2, 4, 5, 10, 20, 907, 1187, 1814, 2374, 3628, 4535, 4748, 5935, 9070, 11870, 18140, 23740, 1076609, 2153218, 4306436, 5383045, 10766090, 21532180]

約数ペア:

[(1, 21532180), (2, 10766090), (4, 5383045), (5, 4306436), (10, 2153218), (20, 1076609), (907, 23740), (1187, 18140), (1814, 11870), (2374, 9070), (3628, 5935), (4535, 4748)]