21009544

素因数分解:

$2^3\times {\mathrm{823}}^1\times {\mathrm{3191}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 39453120

約数和(自身を除く): 18443576

約数列:

[1, 2, 4, 8, 823, 1646, 3191, 3292, 6382, 6584, 12764, 25528, 2626193, 5252386, 10504772, 21009544]

約数ペア:

[(1, 21009544), (2, 10504772), (4, 5252386), (8, 2626193), (823, 25528), (1646, 12764), (3191, 6584), (3292, 6382)]