21041672

素因数分解:

$2^3\times {\mathrm{599}}^1\times {\mathrm{4391}}^1$

素因数の和:4996

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 18486328

約数列:

[1, 2, 4, 8, 599, 1198, 2396, 4391, 4792, 8782, 17564, 35128, 2630209, 5260418, 10520836, 21041672]

約数ペア:

[(1, 21041672), (2, 10520836), (4, 5260418), (8, 2630209), (599, 35128), (1198, 17564), (2396, 8782), (4391, 4792)]