21000750156

素因数分解:

$2^2\times 3^2\times {\mathrm{3359}}^1\times {\mathrm{173669}}^1$

素因数の和:177038

約数の個数: 36

約数和(自身を含む): 53101339200

約数和(自身を除く): 32100589044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3359, 6718, 10077, 13436, 20154, 30231, 40308, 60462, 120924, 173669, 347338, 521007, 694676, 1042014, 1563021, 2084028, 3126042, 6252084, 583354171, 1166708342, 1750062513, 2333416684, 3500125026, 5250187539, 7000250052, 10500375078, 21000750156]

約数ペア:

[(1, 21000750156), (2, 10500375078), (3, 7000250052), (4, 5250187539), (6, 3500125026), (9, 2333416684), (12, 1750062513), (18, 1166708342), (36, 583354171), (3359, 6252084), (6718, 3126042), (10077, 2084028), (13436, 1563021), (20154, 1042014), (30231, 694676), (40308, 521007), (60462, 347338), (120924, 173669)]