21453256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243787}}^1$

素因数の和:243804

約数の個数: 16

約数和(自身を含む): 43881840

約数和(自身を除く): 22428584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243787, 487574, 975148, 1950296, 2681657, 5363314, 10726628, 21453256]

約数ペア:

[(1, 21453256), (2, 10726628), (4, 5363314), (8, 2681657), (11, 1950296), (22, 975148), (44, 487574), (88, 243787)]