21120013212

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{76521787}}^1$

素因数の和:76521817

約数の個数: 24

約数和(自身を含む): 51422641536

約数和(自身を除く): 30302628324

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 76521787, 153043574, 229565361, 306087148, 459130722, 918261444, 1760001101, 3520002202, 5280003303, 7040004404, 10560006606, 21120013212]

約数ペア:

[(1, 21120013212), (2, 10560006606), (3, 7040004404), (4, 5280003303), (6, 3520002202), (12, 1760001101), (23, 918261444), (46, 459130722), (69, 306087148), (92, 229565361), (138, 153043574), (276, 76521787)]