21033902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1531

約数の個数: 16

約数和(自身を含む): 32508000

約数和(自身を除く): 11474098

約数列:

[1, 2, 41, 82, 199, 398, 1289, 2578, 8159, 16318, 52849, 105698, 256511, 513022, 10516951, 21033902]

約数ペア:

[(1, 21033902), (2, 10516951), (41, 513022), (82, 256511), (199, 105698), (398, 52849), (1289, 16318), (2578, 8159)]