21992168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249911}}^1$

素因数の和:249928

約数の個数: 16

約数和(自身を含む): 44984160

約数和(自身を除く): 22991992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249911, 499822, 999644, 1999288, 2749021, 5498042, 10996084, 21992168]

約数ペア:

[(1, 21992168), (2, 10996084), (4, 5498042), (8, 2749021), (11, 1999288), (22, 999644), (44, 499822), (88, 249911)]