21382185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129589}}^1$

素因数の和:129608

約数の個数: 16

約数和(自身を含む): 37321920

約数和(自身を除く): 15939735

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129589, 388767, 647945, 1425479, 1943835, 4276437, 7127395, 21382185]

約数ペア:

[(1, 21382185), (3, 7127395), (5, 4276437), (11, 1943835), (15, 1425479), (33, 647945), (55, 388767), (165, 129589)]