21475827

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6263}}^1$

素因数の和:6399

約数の個数: 16

約数和(自身を含む): 32071680

約数和(自身を除く): 10595853

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6263, 18789, 56367, 169101, 795401, 2386203, 7158609, 21475827]

約数ペア:

[(1, 21475827), (3, 7158609), (9, 2386203), (27, 795401), (127, 169101), (381, 56367), (1143, 18789), (3429, 6263)]