21488379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17599}}^1$

素因数の和:17650

約数の個数: 16

約数和(自身を含む): 32102400

約数和(自身を除く): 10614021

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17599, 52797, 193589, 580767, 651163, 1953489, 7162793, 21488379]

約数ペア:

[(1, 21488379), (3, 7162793), (11, 1953489), (33, 651163), (37, 580767), (111, 193589), (407, 52797), (1221, 17599)]