21649980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32803}}^1$

素因数の和:32826

約数の個数: 48

約数和(自身を含む): 66132864

約数和(自身を除く): 44482884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32803, 65606, 98409, 131212, 164015, 196818, 328030, 360833, 393636, 492045, 656060, 721666, 984090, 1082499, 1443332, 1804165, 1968180, 2164998, 3608330, 4329996, 5412495, 7216660, 10824990, 21649980]

約数ペア:

[(1, 21649980), (2, 10824990), (3, 7216660), (4, 5412495), (5, 4329996), (6, 3608330), (10, 2164998), (11, 1968180), (12, 1804165), (15, 1443332), (20, 1082499), (22, 984090), (30, 721666), (33, 656060), (44, 492045), (55, 393636), (60, 360833), (66, 328030), (110, 196818), (132, 164015), (165, 131212), (220, 98409), (330, 65606), (660, 32803)]