21084496

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32141}}^1$

素因数の和:32190

約数の個数: 20

約数和(自身を含む): 41848884

約数和(自身を除く): 20764388

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32141, 64282, 128564, 257128, 514256, 1317781, 2635562, 5271124, 10542248, 21084496]

約数ペア:

[(1, 21084496), (2, 10542248), (4, 5271124), (8, 2635562), (16, 1317781), (41, 514256), (82, 257128), (164, 128564), (328, 64282), (656, 32141)]