21066177

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2671}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 30781440

約数和(自身を除く): 9715263

約数列:

[1, 3, 11, 33, 239, 717, 2629, 2671, 7887, 8013, 29381, 88143, 638369, 1915107, 7022059, 21066177]

約数ペア:

[(1, 21066177), (3, 7022059), (11, 1915107), (33, 638369), (239, 88143), (717, 29381), (2629, 8013), (2671, 7887)]