21750916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21493}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 43331904

約数和(自身を除く): 21580988

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21493, 42986, 85972, 236423, 472846, 494339, 945692, 988678, 1977356, 5437729, 10875458, 21750916]

約数ペア:

[(1, 21750916), (2, 10875458), (4, 5437729), (11, 1977356), (22, 988678), (23, 945692), (44, 494339), (46, 472846), (92, 236423), (253, 85972), (506, 42986), (1012, 21493)]