21134449

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 3800591

約数列:

[1, 7, 59, 73, 413, 511, 701, 4307, 4907, 30149, 41359, 51173, 289513, 358211, 3019207, 21134449]

約数ペア:

[(1, 21134449), (7, 3019207), (59, 358211), (73, 289513), (413, 51173), (511, 41359), (701, 30149), (4307, 4907)]