21266610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4349}}^1$

素因数の和:4522

約数の個数: 32

約数和(自身を含む): 51364800

約数和(自身を除く): 30098190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4349, 4890, 8698, 13047, 21745, 26094, 43490, 65235, 130470, 708887, 1417774, 2126661, 3544435, 4253322, 7088870, 10633305, 21266610]

約数ペア:

[(1, 21266610), (2, 10633305), (3, 7088870), (5, 4253322), (6, 3544435), (10, 2126661), (15, 1417774), (30, 708887), (163, 130470), (326, 65235), (489, 43490), (815, 26094), (978, 21745), (1630, 13047), (2445, 8698), (4349, 4890)]