21672088

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40433}}^1$

素因数の和:40506

約数の個数: 16

約数和(自身を含む): 41242680

約数和(自身を除く): 19570592

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40433, 80866, 161732, 323464, 2709011, 5418022, 10836044, 21672088]

約数ペア:

[(1, 21672088), (2, 10836044), (4, 5418022), (8, 2709011), (67, 323464), (134, 161732), (268, 80866), (536, 40433)]