21142788

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26297}}^1$

素因数の和:26371

約数の個数: 24

約数和(自身を含む): 50071392

約数和(自身を除く): 28928604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26297, 52594, 78891, 105188, 157782, 315564, 1761899, 3523798, 5285697, 7047596, 10571394, 21142788]

約数ペア:

[(1, 21142788), (2, 10571394), (3, 7047596), (4, 5285697), (6, 3523798), (12, 1761899), (67, 315564), (134, 157782), (201, 105188), (268, 78891), (402, 52594), (804, 26297)]