21571728

素因数分解:

$2^4\times 3^1\times {\mathrm{449411}}^1$

素因数の和:449422

約数の個数: 20

約数和(自身を含む): 55727088

約数和(自身を除く): 34155360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449411, 898822, 1348233, 1797644, 2696466, 3595288, 5392932, 7190576, 10785864, 21571728]

約数ペア:

[(1, 21571728), (2, 10785864), (3, 7190576), (4, 5392932), (6, 3595288), (8, 2696466), (12, 1797644), (16, 1348233), (24, 898822), (48, 449411)]