21740451

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1933}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 30448896

約数和(自身を除く): 8708445

約数列:

[1, 3, 23, 69, 163, 489, 1933, 3749, 5799, 11247, 44459, 133377, 315079, 945237, 7246817, 21740451]

約数ペア:

[(1, 21740451), (3, 7246817), (23, 945237), (69, 315079), (163, 133377), (489, 44459), (1933, 11247), (3749, 5799)]