21742072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247069}}^1$

素因数の和:247086

約数の個数: 16

約数和(自身を含む): 44472600

約数和(自身を除く): 22730528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247069, 494138, 988276, 1976552, 2717759, 5435518, 10871036, 21742072]

約数ペア:

[(1, 21742072), (2, 10871036), (4, 5435518), (8, 2717759), (11, 1976552), (22, 988276), (44, 494138), (88, 247069)]