21078607532

素因数分解:

$2^2\times {\mathrm{653}}^1\times {\mathrm{8069911}}^1$

素因数の和:8070568

約数の個数: 12

約数和(自身を含む): 36944057136

約数和(自身を除く): 15865449604

約数列:

[1, 2, 4, 653, 1306, 2612, 8069911, 16139822, 32279644, 5269651883, 10539303766, 21078607532]

約数ペア:

[(1, 21078607532), (2, 10539303766), (4, 5269651883), (653, 32279644), (1306, 16139822), (2612, 8069911)]