21264700

素因数分解:

$2^2\times 5^2\times {\mathrm{337}}^1\times {\mathrm{631}}^1$

素因数の和:982

約数の個数: 36

約数和(自身を含む): 46354672

約数和(自身を除く): 25089972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 337, 631, 674, 1262, 1348, 1685, 2524, 3155, 3370, 6310, 6740, 8425, 12620, 15775, 16850, 31550, 33700, 63100, 212647, 425294, 850588, 1063235, 2126470, 4252940, 5316175, 10632350, 21264700]

約数ペア:

[(1, 21264700), (2, 10632350), (4, 5316175), (5, 4252940), (10, 2126470), (20, 1063235), (25, 850588), (50, 425294), (100, 212647), (337, 63100), (631, 33700), (674, 31550), (1262, 16850), (1348, 15775), (1685, 12620), (2524, 8425), (3155, 6740), (3370, 6310)]