21697432874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4193551}}^1$

素因数の和:4193765

約数の個数: 16

約数和(自身を含む): 35225836800

約数和(自身を除く): 13528403926

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 4193551, 8387102, 54516163, 109032326, 834516649, 1669033298, 10848716437, 21697432874]

約数ペア:

[(1, 21697432874), (2, 10848716437), (13, 1669033298), (26, 834516649), (199, 109032326), (398, 54516163), (2587, 8387102), (5174, 4193551)]