21325623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28097}}^1$

素因数の和:28134

約数の個数: 16

約数和(自身を含む): 32368896

約数和(自身を除く): 11043273

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28097, 84291, 309067, 646231, 927201, 1938693, 7108541, 21325623]

約数ペア:

[(1, 21325623), (3, 7108541), (11, 1938693), (23, 927201), (33, 646231), (69, 309067), (253, 84291), (759, 28097)]