21454119

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13013721

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1087, 1161, 2193, 3261, 6579, 9783, 18479, 19737, 29349, 46741, 55437, 140223, 166311, 420669, 498933, 794597, 1262007, 2383791, 7151373, 21454119]

約数ペア:

[(1, 21454119), (3, 7151373), (9, 2383791), (17, 1262007), (27, 794597), (43, 498933), (51, 420669), (129, 166311), (153, 140223), (387, 55437), (459, 46741), (731, 29349), (1087, 19737), (1161, 18479), (2193, 9783), (3261, 6579)]