21037048

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4027}}^1$

素因数の和:4686

約数の個数: 16

約数和(自身を含む): 39514680

約数和(自身を除く): 18477632

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4027, 5224, 8054, 16108, 32216, 2629631, 5259262, 10518524, 21037048]

約数ペア:

[(1, 21037048), (2, 10518524), (4, 5259262), (8, 2629631), (653, 32216), (1306, 16108), (2612, 8054), (4027, 5224)]