21391170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{713039}}^1$

素因数の和:713049

約数の個数: 16

約数和(自身を含む): 51338880

約数和(自身を除く): 29947710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 713039, 1426078, 2139117, 3565195, 4278234, 7130390, 10695585, 21391170]

約数ペア:

[(1, 21391170), (2, 10695585), (3, 7130390), (5, 4278234), (6, 3565195), (10, 2139117), (15, 1426078), (30, 713039)]