21568018

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 33235200

約数和(自身を除く): 11667182

約数列:

[1, 2, 47, 94, 199, 398, 1153, 2306, 9353, 18706, 54191, 108382, 229447, 458894, 10784009, 21568018]

約数ペア:

[(1, 21568018), (2, 10784009), (47, 458894), (94, 229447), (199, 108382), (398, 54191), (1153, 18706), (2306, 9353)]