21742424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247073}}^1$

素因数の和:247090

約数の個数: 16

約数和(自身を含む): 44473320

約数和(自身を除く): 22730896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247073, 494146, 988292, 1976584, 2717803, 5435606, 10871212, 21742424]

約数ペア:

[(1, 21742424), (2, 10871212), (4, 5435606), (8, 2717803), (11, 1976584), (22, 988292), (44, 494146), (88, 247073)]