21751491

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10169}}^1$

素因数の和:10226

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 9490749

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 10169, 30507, 233887, 315239, 701661, 945717, 7250497, 21751491]

約数ペア:

[(1, 21751491), (3, 7250497), (23, 945717), (31, 701661), (69, 315239), (93, 233887), (713, 30507), (2139, 10169)]