21437820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119099}}^1$

素因数の和:119114

約数の個数: 36

約数和(自身を含む): 65028600

約数和(自身を除く): 43590780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119099, 238198, 357297, 476396, 595495, 714594, 1071891, 1190990, 1429188, 1786485, 2143782, 2381980, 3572970, 4287564, 5359455, 7145940, 10718910, 21437820]

約数ペア:

[(1, 21437820), (2, 10718910), (3, 7145940), (4, 5359455), (5, 4287564), (6, 3572970), (9, 2381980), (10, 2143782), (12, 1786485), (15, 1429188), (18, 1190990), (20, 1071891), (30, 714594), (36, 595495), (45, 476396), (60, 357297), (90, 238198), (180, 119099)]