20211642729

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{191}}^1\times {\mathrm{6359}}^1$

素因数の和:6642

約数の個数: 36

約数和(自身を含む): 30050542080

約数和(自身を除く): 9838899351

約数列:

[1, 3, 9, 43, 129, 191, 387, 573, 1719, 1849, 5547, 6359, 8213, 16641, 19077, 24639, 57231, 73917, 273437, 353159, 820311, 1059477, 1214569, 2460933, 3178431, 3643707, 10931121, 11757791, 35273373, 52226467, 105820119, 156679401, 470038203, 2245738081, 6737214243, 20211642729]

約数ペア:

[(1, 20211642729), (3, 6737214243), (9, 2245738081), (43, 470038203), (129, 156679401), (191, 105820119), (387, 52226467), (573, 35273373), (1719, 11757791), (1849, 10931121), (5547, 3643707), (6359, 3178431), (8213, 2460933), (16641, 1214569), (19077, 1059477), (24639, 820311), (57231, 353159), (73917, 273437)]