21031915076

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{74056039}}^1$

素因数の和:74056114

約数の個数: 12

約数和(自身を含む): 37324244160

約数和(自身を除く): 16292329084

約数列:

[1, 2, 4, 71, 142, 284, 74056039, 148112078, 296224156, 5257978769, 10515957538, 21031915076]

約数ペア:

[(1, 21031915076), (2, 10515957538), (4, 5257978769), (71, 296224156), (142, 148112078), (284, 74056039)]