21480728

素因数分解:

$2^3\times {\mathrm{1429}}^1\times {\mathrm{1879}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 40326000

約数和(自身を除く): 18845272

約数列:

[1, 2, 4, 8, 1429, 1879, 2858, 3758, 5716, 7516, 11432, 15032, 2685091, 5370182, 10740364, 21480728]

約数ペア:

[(1, 21480728), (2, 10740364), (4, 5370182), (8, 2685091), (1429, 15032), (1879, 11432), (2858, 7516), (3758, 5716)]