21705488

素因数分解:

$2^4\times 7^1\times {\mathrm{193799}}^1$

素因数の和:193814

約数の個数: 20

約数和(自身を含む): 48062400

約数和(自身を除く): 26356912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193799, 387598, 775196, 1356593, 1550392, 2713186, 3100784, 5426372, 10852744, 21705488]

約数ペア:

[(1, 21705488), (2, 10852744), (4, 5426372), (7, 3100784), (8, 2713186), (14, 1550392), (16, 1356593), (28, 775196), (56, 387598), (112, 193799)]