21857104088

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{6223549}}^1$

素因数の和:6223994

約数の個数: 16

約数和(自身を含む): 41075430000

約数和(自身を除く): 19218325912

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 6223549, 12447098, 24894196, 49788392, 2732138011, 5464276022, 10928552044, 21857104088]

約数ペア:

[(1, 21857104088), (2, 10928552044), (4, 5464276022), (8, 2732138011), (439, 49788392), (878, 24894196), (1756, 12447098), (3512, 6223549)]