21134091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4106

約数の個数: 16

約数和(自身を含む): 30936960

約数和(自身を除く): 9802869

約数列:

[1, 3, 11, 33, 163, 489, 1793, 3929, 5379, 11787, 43219, 129657, 640427, 1921281, 7044697, 21134091]

約数ペア:

[(1, 21134091), (3, 7044697), (11, 1921281), (33, 640427), (163, 129657), (489, 43219), (1793, 11787), (3929, 5379)]