21565936

素因数分解:

$2^4\times 7^1\times {\mathrm{192553}}^1$

素因数の和:192568

約数の個数: 20

約数和(自身を含む): 47753392

約数和(自身を除く): 26187456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192553, 385106, 770212, 1347871, 1540424, 2695742, 3080848, 5391484, 10782968, 21565936]

約数ペア:

[(1, 21565936), (2, 10782968), (4, 5391484), (7, 3080848), (8, 2695742), (14, 1540424), (16, 1347871), (28, 770212), (56, 385106), (112, 192553)]