21000485068

素因数分解:

$2^2\times {\mathrm{757}}^1\times {\mathrm{6935431}}^1$

素因数の和:6936192

約数の個数: 12

約数和(自身を含む): 36799402192

約数和(自身を除く): 15798917124

約数列:

[1, 2, 4, 757, 1514, 3028, 6935431, 13870862, 27741724, 5250121267, 10500242534, 21000485068]

約数ペア:

[(1, 21000485068), (2, 10500242534), (4, 5250121267), (757, 27741724), (1514, 13870862), (3028, 6935431)]