21245054

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2393}}^1$

素因数の和:2611

約数の個数: 16

約数和(自身を含む): 33439392

約数和(自身を除く): 12194338

約数列:

[1, 2, 23, 46, 193, 386, 2393, 4439, 4786, 8878, 55039, 110078, 461849, 923698, 10622527, 21245054]

約数ペア:

[(1, 21245054), (2, 10622527), (23, 923698), (46, 461849), (193, 110078), (386, 55039), (2393, 8878), (4439, 4786)]