21081288

素因数分解:

$2^3\times 3^1\times {\mathrm{878387}}^1$

素因数の和:878396

約数の個数: 16

約数和(自身を含む): 52703280

約数和(自身を除く): 31621992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 878387, 1756774, 2635161, 3513548, 5270322, 7027096, 10540644, 21081288]

約数ペア:

[(1, 21081288), (2, 10540644), (3, 7027096), (4, 5270322), (6, 3513548), (8, 2635161), (12, 1756774), (24, 878387)]