21944457

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 32507904

約数和(自身を除く): 10563447

約数列:

[1, 3, 9, 73, 127, 219, 263, 381, 657, 789, 1143, 2367, 9271, 19199, 27813, 33401, 57597, 83439, 100203, 172791, 300609, 2438273, 7314819, 21944457]

約数ペア:

[(1, 21944457), (3, 7314819), (9, 2438273), (73, 300609), (127, 172791), (219, 100203), (263, 83439), (381, 57597), (657, 33401), (789, 27813), (1143, 19199), (2367, 9271)]