21137000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 30530200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 919, 920, 1000, 1150, 1838, 2300, 2875, 3676, 4595, 4600, 5750, 7352, 9190, 11500, 18380, 21137, 22975, 23000, 36760, 42274, 45950, 84548, 91900, 105685, 114875, 169096, 183800, 211370, 229750, 422740, 459500, 528425, 845480, 919000, 1056850, 2113700, 2642125, 4227400, 5284250, 10568500, 21137000]

約数ペア:

[(1, 21137000), (2, 10568500), (4, 5284250), (5, 4227400), (8, 2642125), (10, 2113700), (20, 1056850), (23, 919000), (25, 845480), (40, 528425), (46, 459500), (50, 422740), (92, 229750), (100, 211370), (115, 183800), (125, 169096), (184, 114875), (200, 105685), (230, 91900), (250, 84548), (460, 45950), (500, 42274), (575, 36760), (919, 23000), (920, 22975), (1000, 21137), (1150, 18380), (1838, 11500), (2300, 9190), (2875, 7352), (3676, 5750), (4595, 4600)]