21077888887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2145769}}^1$

素因数の和:2145846

約数の個数: 16

約数和(自身を含む): 24719270400

約数和(自身を除く): 3641381513

約数列:

[1, 11, 19, 47, 209, 517, 893, 9823, 2145769, 23603459, 40769611, 100851143, 448465721, 1109362573, 1916171717, 21077888887]

約数ペア:

[(1, 21077888887), (11, 1916171717), (19, 1109362573), (47, 448465721), (209, 100851143), (517, 40769611), (893, 23603459), (9823, 2145769)]