21066660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117037}}^1$

素因数の和:117052

約数の個数: 36

約数和(自身を含む): 63902748

約数和(自身を除く): 42836088

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117037, 234074, 351111, 468148, 585185, 702222, 1053333, 1170370, 1404444, 1755555, 2106666, 2340740, 3511110, 4213332, 5266665, 7022220, 10533330, 21066660]

約数ペア:

[(1, 21066660), (2, 10533330), (3, 7022220), (4, 5266665), (5, 4213332), (6, 3511110), (9, 2340740), (10, 2106666), (12, 1755555), (15, 1404444), (18, 1170370), (20, 1053333), (30, 702222), (36, 585185), (45, 468148), (60, 351111), (90, 234074), (180, 117037)]