21684628

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2879}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 43545600

約数和(自身を除く): 21860972

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 2879, 3766, 5758, 7532, 11516, 20153, 40306, 80612, 774451, 1548902, 3097804, 5421157, 10842314, 21684628]

約数ペア:

[(1, 21684628), (2, 10842314), (4, 5421157), (7, 3097804), (14, 1548902), (28, 774451), (269, 80612), (538, 40306), (1076, 20153), (1883, 11516), (2879, 7532), (3766, 5758)]