21070324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478871}}^1$

素因数の和:478886

約数の個数: 12

約数和(自身を含む): 40225248

約数和(自身を除く): 19154924

約数列:

[1, 2, 4, 11, 22, 44, 478871, 957742, 1915484, 5267581, 10535162, 21070324]

約数ペア:

[(1, 21070324), (2, 10535162), (4, 5267581), (11, 1915484), (22, 957742), (44, 478871)]