21231864

素因数分解:

$2^3\times 3^2\times {\mathrm{294887}}^1$

素因数の和:294899

約数の個数: 24

約数和(自身を含む): 57503160

約数和(自身を除く): 36271296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 294887, 589774, 884661, 1179548, 1769322, 2359096, 2653983, 3538644, 5307966, 7077288, 10615932, 21231864]

約数ペア:

[(1, 21231864), (2, 10615932), (3, 7077288), (4, 5307966), (6, 3538644), (8, 2653983), (9, 2359096), (12, 1769322), (18, 1179548), (24, 884661), (36, 589774), (72, 294887)]