20211419

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 12

約数和(自身を含む): 21943656

約数和(自身を除く): 1732237

約数列:

[1, 17, 43, 643, 731, 1849, 10931, 27649, 31433, 470033, 1188907, 20211419]

約数ペア:

[(1, 20211419), (17, 1188907), (43, 470033), (643, 31433), (731, 27649), (1849, 10931)]