21188427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{907}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 30508800

約数和(自身を除く): 9320373

約数列:

[1, 3, 13, 39, 599, 907, 1797, 2721, 7787, 11791, 23361, 35373, 543293, 1629879, 7062809, 21188427]

約数ペア:

[(1, 21188427), (3, 7062809), (13, 1629879), (39, 543293), (599, 35373), (907, 23361), (1797, 11791), (2721, 7787)]