21378762021

素因数分解:

$3^1\times {\mathrm{401}}^1\times {\mathrm{2011}}^1\times {\mathrm{8837}}^1$

素因数の和:11252

約数の個数: 16

約数和(自身を含む): 28593546048

約数和(自身を除く): 7214784027

約数列:

[1, 3, 401, 1203, 2011, 6033, 8837, 26511, 806411, 2419233, 3543637, 10630911, 17771207, 53313621, 7126254007, 21378762021]

約数ペア:

[(1, 21378762021), (3, 7126254007), (401, 53313621), (1203, 17771207), (2011, 10630911), (6033, 3543637), (8837, 2419233), (26511, 806411)]