20211520905

素因数分解:

$3^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{407203}}^1$

素因数の和:408317

約数の個数: 24

約数和(自身を含む): 35065150848

約数和(自身を除く): 14853629943

約数列:

[1, 3, 5, 9, 15, 45, 1103, 3309, 5515, 9927, 16545, 49635, 407203, 1221609, 2036015, 3664827, 6108045, 18324135, 449144909, 1347434727, 2245724545, 4042304181, 6737173635, 20211520905]

約数ペア:

[(1, 20211520905), (3, 6737173635), (5, 4042304181), (9, 2245724545), (15, 1347434727), (45, 449144909), (1103, 18324135), (3309, 6108045), (5515, 3664827), (9927, 2036015), (16545, 1221609), (49635, 407203)]