21891174

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{8311}}^1$

素因数の和:8755

約数の個数: 16

約数和(自身を含む): 43887360

約数和(自身を除く): 21996186

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 8311, 16622, 24933, 49866, 3648529, 7297058, 10945587, 21891174]

約数ペア:

[(1, 21891174), (2, 10945587), (3, 7297058), (6, 3648529), (439, 49866), (878, 24933), (1317, 16622), (2634, 8311)]