21048130

素因数分解:

$2^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4861}}^1$

素因数の和:5301

約数の個数: 16

約数和(自身を含む): 37981944

約数和(自身を除く): 16933814

約数列:

[1, 2, 5, 10, 433, 866, 2165, 4330, 4861, 9722, 24305, 48610, 2104813, 4209626, 10524065, 21048130]

約数ペア:

[(1, 21048130), (2, 10524065), (5, 4209626), (10, 2104813), (433, 48610), (866, 24305), (2165, 9722), (4330, 4861)]