21166831

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4241}}^1$

素因数の和:4302

約数の個数: 16

約数和(自身を含む): 26062848

約数和(自身を除く): 4896017

約数列:

[1, 7, 23, 31, 161, 217, 713, 4241, 4991, 29687, 97543, 131471, 682801, 920297, 3023833, 21166831]

約数ペア:

[(1, 21166831), (7, 3023833), (23, 920297), (31, 682801), (161, 131471), (217, 97543), (713, 29687), (4241, 4991)]