21797188

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4349}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 43848000

約数和(自身を除く): 22050812

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4349, 5012, 8698, 17396, 30443, 60886, 121772, 778471, 1556942, 3113884, 5449297, 10898594, 21797188]

約数ペア:

[(1, 21797188), (2, 10898594), (4, 5449297), (7, 3113884), (14, 1556942), (28, 778471), (179, 121772), (358, 60886), (716, 30443), (1253, 17396), (2506, 8698), (4349, 5012)]