21859267

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 23343552

約数和(自身を除く): 1484285

約数列:

[1, 37, 53, 71, 157, 1961, 2627, 3763, 5809, 8321, 11147, 139231, 307877, 412439, 590791, 21859267]

約数ペア:

[(1, 21859267), (37, 590791), (53, 412439), (71, 307877), (157, 139231), (1961, 11147), (2627, 8321), (3763, 5809)]