21193506

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^2$

素因数の和:335

約数の個数: 36

約数和(自身を含む): 46917702

約数和(自身を除く): 25724196

約数列:

[1, 2, 3, 6, 9, 18, 73, 127, 146, 219, 254, 381, 438, 657, 762, 1143, 1314, 2286, 9271, 16129, 18542, 27813, 32258, 48387, 55626, 83439, 96774, 145161, 166878, 290322, 1177417, 2354834, 3532251, 7064502, 10596753, 21193506]

約数ペア:

[(1, 21193506), (2, 10596753), (3, 7064502), (6, 3532251), (9, 2354834), (18, 1177417), (73, 290322), (127, 166878), (146, 145161), (219, 96774), (254, 83439), (381, 55626), (438, 48387), (657, 32258), (762, 27813), (1143, 18542), (1314, 16129), (2286, 9271)]