21796136

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4211}}^1$

素因数の和:4864

約数の個数: 16

約数和(自身を含む): 40940640

約数和(自身を除く): 19144504

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4211, 5176, 8422, 16844, 33688, 2724517, 5449034, 10898068, 21796136]

約数ペア:

[(1, 21796136), (2, 10898068), (4, 5449034), (8, 2724517), (647, 33688), (1294, 16844), (2588, 8422), (4211, 5176)]