21084663

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 29173760

約数和(自身を除く): 8089097

約数列:

[1, 3, 43, 73, 129, 219, 2239, 3139, 6717, 9417, 96277, 163447, 288831, 490341, 7028221, 21084663]

約数ペア:

[(1, 21084663), (3, 7028221), (43, 490341), (73, 288831), (129, 163447), (219, 96277), (2239, 9417), (3139, 6717)]