21251356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32999}}^1$

素因数の和:33033

約数の個数: 24

約数和(自身を含む): 44352000

約数和(自身を除く): 23100644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32999, 65998, 131996, 230993, 461986, 758977, 923972, 1517954, 3035908, 5312839, 10625678, 21251356]

約数ペア:

[(1, 21251356), (2, 10625678), (4, 5312839), (7, 3035908), (14, 1517954), (23, 923972), (28, 758977), (46, 461986), (92, 230993), (161, 131996), (322, 65998), (644, 32999)]