21033230

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5407}}^1$

素因数の和:5803

約数の個数: 16

約数和(自身を含む): 37964160

約数和(自身を除く): 16930930

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5407, 10814, 27035, 54070, 2103323, 4206646, 10516615, 21033230]

約数ペア:

[(1, 21033230), (2, 10516615), (5, 4206646), (10, 2103323), (389, 54070), (778, 27035), (1945, 10814), (3890, 5407)]