21820728

素因数分解:

$2^3\times 3^1\times {\mathrm{701}}^1\times {\mathrm{1297}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 54671760

約数和(自身を除く): 32851032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 701, 1297, 1402, 2103, 2594, 2804, 3891, 4206, 5188, 5608, 7782, 8412, 10376, 15564, 16824, 31128, 909197, 1818394, 2727591, 3636788, 5455182, 7273576, 10910364, 21820728]

約数ペア:

[(1, 21820728), (2, 10910364), (3, 7273576), (4, 5455182), (6, 3636788), (8, 2727591), (12, 1818394), (24, 909197), (701, 31128), (1297, 16824), (1402, 15564), (2103, 10376), (2594, 8412), (2804, 7782), (3891, 5608), (4206, 5188)]