21769911

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 13204809

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1103, 1161, 2193, 3309, 6579, 9927, 18751, 19737, 29781, 47429, 56253, 142287, 168759, 426861, 506277, 806293, 1280583, 2418879, 7256637, 21769911]

約数ペア:

[(1, 21769911), (3, 7256637), (9, 2418879), (17, 1280583), (27, 806293), (43, 506277), (51, 426861), (129, 168759), (153, 142287), (387, 56253), (459, 47429), (731, 29781), (1103, 19737), (1161, 18751), (2193, 9927), (3309, 6579)]