21000663428

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{563}}^1\times {\mathrm{46861}}^1$

素因数の和:47627

約数の個数: 24

約数和(自身を含む): 37002235200

約数和(自身を除く): 16001571772

約数列:

[1, 2, 4, 199, 398, 563, 796, 1126, 2252, 46861, 93722, 112037, 187444, 224074, 448148, 9325339, 18650678, 26382743, 37301356, 52765486, 105530972, 5250165857, 10500331714, 21000663428]

約数ペア:

[(1, 21000663428), (2, 10500331714), (4, 5250165857), (199, 105530972), (398, 52765486), (563, 37301356), (796, 26382743), (1126, 18650678), (2252, 9325339), (46861, 448148), (93722, 224074), (112037, 187444)]