21976767

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 33808320

約数和(自身を除く): 11831553

約数列:

[1, 3, 9, 17, 51, 153, 239, 601, 717, 1803, 2151, 4063, 5409, 10217, 12189, 30651, 36567, 91953, 143639, 430917, 1292751, 2441863, 7325589, 21976767]

約数ペア:

[(1, 21976767), (3, 7325589), (9, 2441863), (17, 1292751), (51, 430917), (153, 143639), (239, 91953), (601, 36567), (717, 30651), (1803, 12189), (2151, 10217), (4063, 5409)]