21544117

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 4686923

約数列:

[1, 7, 17, 119, 197, 919, 1379, 3349, 6433, 15623, 23443, 109361, 181043, 1267301, 3077731, 21544117]

約数ペア:

[(1, 21544117), (7, 3077731), (17, 1267301), (119, 181043), (197, 109361), (919, 23443), (1379, 15623), (3349, 6433)]