21304757

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 2800843

約数列:

[1, 17, 19, 71, 323, 929, 1207, 1349, 15793, 17651, 22933, 65959, 300067, 1121303, 1253221, 21304757]

約数ペア:

[(1, 21304757), (17, 1253221), (19, 1121303), (71, 300067), (323, 65959), (929, 22933), (1207, 17651), (1349, 15793)]