21359984

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{3041}}^1$

素因数の和:3488

約数の個数: 20

約数和(自身を含む): 41492880

約数和(自身を除く): 20132896

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3041, 3512, 6082, 7024, 12164, 24328, 48656, 1334999, 2669998, 5339996, 10679992, 21359984]

約数ペア:

[(1, 21359984), (2, 10679992), (4, 5339996), (8, 2669998), (16, 1334999), (439, 48656), (878, 24328), (1756, 12164), (3041, 7024), (3512, 6082)]