21992024

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19777}}^1$

素因数の和:19922

約数の個数: 16

約数和(自身を含む): 41533800

約数和(自身を除く): 19541776

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19777, 39554, 79108, 158216, 2749003, 5498006, 10996012, 21992024]

約数ペア:

[(1, 21992024), (2, 10996012), (4, 5498006), (8, 2749003), (139, 158216), (278, 79108), (556, 39554), (1112, 19777)]