21027400

素因数分解:

$2^3\times 5^2\times {\mathrm{105137}}^1$

素因数の和:105153

約数の個数: 24

約数和(自身を含む): 48889170

約数和(自身を除く): 27861770

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105137, 210274, 420548, 525685, 841096, 1051370, 2102740, 2628425, 4205480, 5256850, 10513700, 21027400]

約数ペア:

[(1, 21027400), (2, 10513700), (4, 5256850), (5, 4205480), (8, 2628425), (10, 2102740), (20, 1051370), (25, 841096), (40, 525685), (50, 420548), (100, 210274), (200, 105137)]