21133120

素因数分解:

$2^6\times 5^1\times {\mathrm{66041}}^1$

素因数の和:66058

約数の個数: 28

約数和(自身を含む): 50324004

約数和(自身を除く): 29190884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66041, 132082, 264164, 330205, 528328, 660410, 1056656, 1320820, 2113312, 2641640, 4226624, 5283280, 10566560, 21133120]

約数ペア:

[(1, 21133120), (2, 10566560), (4, 5283280), (5, 4226624), (8, 2641640), (10, 2113312), (16, 1320820), (20, 1056656), (32, 660410), (40, 528328), (64, 330205), (80, 264164), (160, 132082), (320, 66041)]