21000399426

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27132299}}^1$

素因数の和:27132350

約数の個数: 24

約数和(自身を含む): 46559026800

約数和(自身を除く): 25558627374

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27132299, 54264598, 81396897, 162793794, 244190691, 488381382, 1166688857, 2333377714, 3500066571, 7000133142, 10500199713, 21000399426]

約数ペア:

[(1, 21000399426), (2, 10500199713), (3, 7000133142), (6, 3500066571), (9, 2333377714), (18, 1166688857), (43, 488381382), (86, 244190691), (129, 162793794), (258, 81396897), (387, 54264598), (774, 27132299)]