21476220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2069}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 60510240

約数和(自身を除く): 39034020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2069, 2076, 2595, 3460, 4138, 5190, 6207, 8276, 10345, 10380, 12414, 20690, 24828, 31035, 41380, 62070, 124140, 357937, 715874, 1073811, 1431748, 1789685, 2147622, 3579370, 4295244, 5369055, 7158740, 10738110, 21476220]

約数ペア:

[(1, 21476220), (2, 10738110), (3, 7158740), (4, 5369055), (5, 4295244), (6, 3579370), (10, 2147622), (12, 1789685), (15, 1431748), (20, 1073811), (30, 715874), (60, 357937), (173, 124140), (346, 62070), (519, 41380), (692, 31035), (865, 24828), (1038, 20690), (1730, 12414), (2069, 10380), (2076, 10345), (2595, 8276), (3460, 6207), (4138, 5190)]