21557562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 46632768

約数和(自身を除く): 25075206

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 883, 939, 1766, 1878, 2649, 4069, 5298, 8138, 11479, 12207, 22958, 24414, 34437, 68874, 276379, 552758, 829137, 1658274, 3592927, 7185854, 10778781, 21557562]

約数ペア:

[(1, 21557562), (2, 10778781), (3, 7185854), (6, 3592927), (13, 1658274), (26, 829137), (39, 552758), (78, 276379), (313, 68874), (626, 34437), (883, 24414), (939, 22958), (1766, 12207), (1878, 11479), (2649, 8138), (4069, 5298)]