21435555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84061}}^1$

素因数の和:84086

約数の個数: 16

約数和(自身を含む): 36314784

約数和(自身を除く): 14879229

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 84061, 252183, 420305, 1260915, 1429037, 4287111, 7145185, 21435555]

約数ペア:

[(1, 21435555), (3, 7145185), (5, 4287111), (15, 1429037), (17, 1260915), (51, 420305), (85, 252183), (255, 84061)]