21604782

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27487}}^1$

素因数の和:27623

約数の個数: 16

約数和(自身を含む): 43540992

約数和(自身を除く): 21936210

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27487, 54974, 82461, 164922, 3600797, 7201594, 10802391, 21604782]

約数ペア:

[(1, 21604782), (2, 10802391), (3, 7201594), (6, 3600797), (131, 164922), (262, 82461), (393, 54974), (786, 27487)]