21383288

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{17939}}^1$

素因数の和:18094

約数の個数: 16

約数和(自身を含む): 40365000

約数和(自身を除く): 18981712

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 17939, 35878, 71756, 143512, 2672911, 5345822, 10691644, 21383288]

約数ペア:

[(1, 21383288), (2, 10691644), (4, 5345822), (8, 2672911), (149, 143512), (298, 71756), (596, 35878), (1192, 17939)]