21262593

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12157}}^1$

素因数の和:12224

約数の個数: 16

約数和(自身を含む): 31513536

約数和(自身を除く): 10250943

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12157, 36471, 133727, 401181, 644321, 1932963, 7087531, 21262593]

約数ペア:

[(1, 21262593), (3, 7087531), (11, 1932963), (33, 644321), (53, 401181), (159, 133727), (583, 36471), (1749, 12157)]