21901144

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{13757}}^1$

素因数の和:13962

約数の個数: 16

約数和(自身を含む): 41274000

約数和(自身を除く): 19372856

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 13757, 27514, 55028, 110056, 2737643, 5475286, 10950572, 21901144]

約数ペア:

[(1, 21901144), (2, 10950572), (4, 5475286), (8, 2737643), (199, 110056), (398, 55028), (796, 27514), (1592, 13757)]