21186

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:126

約数の個数: 24

約数和(自身を含む): 50544

約数和(自身を除く): 29358

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 107, 198, 214, 321, 642, 963, 1177, 1926, 2354, 3531, 7062, 10593, 21186]

約数ペア:

[(1, 21186), (2, 10593), (3, 7062), (6, 3531), (9, 2354), (11, 1926), (18, 1177), (22, 963), (33, 642), (66, 321), (99, 214), (107, 198)]