21684828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{164279}}^1$

素因数の和:164297

約数の個数: 24

約数和(自身を含む): 55198080

約数和(自身を除く): 33513252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 164279, 328558, 492837, 657116, 985674, 1807069, 1971348, 3614138, 5421207, 7228276, 10842414, 21684828]

約数ペア:

[(1, 21684828), (2, 10842414), (3, 7228276), (4, 5421207), (6, 3614138), (11, 1971348), (12, 1807069), (22, 985674), (33, 657116), (44, 492837), (66, 328558), (132, 164279)]