21807224

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38393}}^1$

素因数の和:38470

約数の個数: 16

約数和(自身を含む): 41465520

約数和(自身を除く): 19658296

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38393, 76786, 153572, 307144, 2725903, 5451806, 10903612, 21807224]

約数ペア:

[(1, 21807224), (2, 10903612), (4, 5451806), (8, 2725903), (71, 307144), (142, 153572), (284, 76786), (568, 38393)]