21122035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8171}}^1$

素因数の和:8234

約数の個数: 16

約数和(自身を含む): 28242432

約数和(自身を除く): 7120397

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 8171, 40855, 89881, 384037, 449405, 1920185, 4224407, 21122035]

約数ペア:

[(1, 21122035), (5, 4224407), (11, 1920185), (47, 449405), (55, 384037), (235, 89881), (517, 40855), (2585, 8171)]