21097437

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2677}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 29308032

約数和(自身を除く): 8210595

約数列:

[1, 3, 37, 71, 111, 213, 2627, 2677, 7881, 8031, 99049, 190067, 297147, 570201, 7032479, 21097437]

約数ペア:

[(1, 21097437), (3, 7032479), (37, 570201), (71, 297147), (111, 190067), (213, 99049), (2627, 8031), (2677, 7881)]