21705951

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2477}}^1$

素因数の和:2630

約数の個数: 16

約数和(自身を含む): 30449664

約数和(自身を除く): 8743713

約数列:

[1, 3, 23, 69, 127, 381, 2477, 2921, 7431, 8763, 56971, 170913, 314579, 943737, 7235317, 21705951]

約数ペア:

[(1, 21705951), (3, 7235317), (23, 943737), (69, 314579), (127, 170913), (381, 56971), (2477, 8763), (2921, 7431)]