21382666

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 32625504

約数和(自身を除く): 11242838

約数列:

[1, 2, 107, 163, 214, 326, 613, 1226, 17441, 34882, 65591, 99919, 131182, 199838, 10691333, 21382666]

約数ペア:

[(1, 21382666), (2, 10691333), (107, 199838), (163, 131182), (214, 99919), (326, 65591), (613, 34882), (1226, 17441)]