21701456

素因数分解:

$2^4\times 7^1\times {\mathrm{193763}}^1$

素因数の和:193778

約数の個数: 20

約数和(自身を含む): 48053472

約数和(自身を除く): 26352016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193763, 387526, 775052, 1356341, 1550104, 2712682, 3100208, 5425364, 10850728, 21701456]

約数ペア:

[(1, 21701456), (2, 10850728), (4, 5425364), (7, 3100208), (8, 2712682), (14, 1550104), (16, 1356341), (28, 775052), (56, 387526), (112, 193763)]