21391288

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{116257}}^1$

素因数の和:116286

約数の個数: 16

約数和(自身を含む): 41852880

約数和(自身を除く): 20461592

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 116257, 232514, 465028, 930056, 2673911, 5347822, 10695644, 21391288]

約数ペア:

[(1, 21391288), (2, 10695644), (4, 5347822), (8, 2673911), (23, 930056), (46, 465028), (92, 232514), (184, 116257)]