21067812

素因数分解:

$2^2\times 3^2\times {\mathrm{585217}}^1$

素因数の和:585227

約数の個数: 18

約数和(自身を含む): 53254838

約数和(自身を除く): 32187026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585217, 1170434, 1755651, 2340868, 3511302, 5266953, 7022604, 10533906, 21067812]

約数ペア:

[(1, 21067812), (2, 10533906), (3, 7022604), (4, 5266953), (6, 3511302), (9, 2340868), (12, 1755651), (18, 1170434), (36, 585217)]