21560056

素因数分解:

$2^3\times 7^1\times {\mathrm{385001}}^1$

素因数の和:385014

約数の個数: 16

約数和(自身を含む): 46200240

約数和(自身を除く): 24640184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 385001, 770002, 1540004, 2695007, 3080008, 5390014, 10780028, 21560056]

約数ペア:

[(1, 21560056), (2, 10780028), (4, 5390014), (7, 3080008), (8, 2695007), (14, 1540004), (28, 770002), (56, 385001)]