21143248

素因数分解:

$2^4\times 7^1\times {\mathrm{188779}}^1$

素因数の和:188794

約数の個数: 20

約数和(自身を含む): 46817440

約数和(自身を除く): 25674192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188779, 377558, 755116, 1321453, 1510232, 2642906, 3020464, 5285812, 10571624, 21143248]

約数ペア:

[(1, 21143248), (2, 10571624), (4, 5285812), (7, 3020464), (8, 2642906), (14, 1510232), (16, 1321453), (28, 755116), (56, 377558), (112, 188779)]