21167375678

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{4999}}^1\times {\mathrm{10639}}^1$

素因数の和:15839

約数の個数: 16

約数和(自身を含む): 31920000000

約数和(自身を除く): 10752624322

約数列:

[1, 2, 199, 398, 4999, 9998, 10639, 21278, 994801, 1989602, 2117161, 4234322, 53184361, 106368722, 10583687839, 21167375678]

約数ペア:

[(1, 21167375678), (2, 10583687839), (199, 106368722), (398, 53184361), (4999, 4234322), (9998, 2117161), (10639, 1989602), (21278, 994801)]