21020238727

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{39886601}}^1$

素因数の和:39886649

約数の個数: 8

約数和(自身を含む): 22974682752

約数和(自身を除く): 1954444025

約数列:

[1, 17, 31, 527, 39886601, 678072217, 1236484631, 21020238727]

約数ペア:

[(1, 21020238727), (17, 1236484631), (31, 678072217), (527, 39886601)]