21266334

素因数分解:

$2^1\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 26253666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 199, 398, 597, 1194, 1791, 1979, 3582, 3958, 5373, 5937, 10746, 11874, 17811, 35622, 53433, 106866, 393821, 787642, 1181463, 2362926, 3544389, 7088778, 10633167, 21266334]

約数ペア:

[(1, 21266334), (2, 10633167), (3, 7088778), (6, 3544389), (9, 2362926), (18, 1181463), (27, 787642), (54, 393821), (199, 106866), (398, 53433), (597, 35622), (1194, 17811), (1791, 11874), (1979, 10746), (3582, 5937), (3958, 5373)]