21052612

素因数分解:

$2^2\times 7^1\times {\mathrm{751879}}^1$

素因数の和:751890

約数の個数: 12

約数和(自身を含む): 42105280

約数和(自身を除く): 21052668

約数列:

[1, 2, 4, 7, 14, 28, 751879, 1503758, 3007516, 5263153, 10526306, 21052612]

約数ペア:

[(1, 21052612), (2, 10526306), (4, 5263153), (7, 3007516), (14, 1503758), (28, 751879)]