21308782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{4157}}^1$

素因数の和:4403

約数の個数: 16

約数和(自身を含む): 35026992

約数和(自身を除く): 13718210

約数列:

[1, 2, 11, 22, 233, 466, 2563, 4157, 5126, 8314, 45727, 91454, 968581, 1937162, 10654391, 21308782]

約数ペア:

[(1, 21308782), (2, 10654391), (11, 1937162), (22, 968581), (233, 91454), (466, 45727), (2563, 8314), (4157, 5126)]