21992237

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 2890963

約数列:

[1, 17, 29, 31, 493, 527, 899, 1439, 15283, 24463, 41731, 44609, 709427, 758353, 1293661, 21992237]

約数ペア:

[(1, 21992237), (17, 1293661), (29, 758353), (31, 709427), (493, 44609), (527, 41731), (899, 24463), (1439, 15283)]