21695620

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1433}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 45652824

約数和(自身を除く): 23957204

約数列:

[1, 2, 4, 5, 10, 20, 757, 1433, 1514, 2866, 3028, 3785, 5732, 7165, 7570, 14330, 15140, 28660, 1084781, 2169562, 4339124, 5423905, 10847810, 21695620]

約数ペア:

[(1, 21695620), (2, 10847810), (4, 5423905), (5, 4339124), (10, 2169562), (20, 1084781), (757, 28660), (1433, 15140), (1514, 14330), (2866, 7570), (3028, 7165), (3785, 5732)]