21909488

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10453}}^1$

素因数の和:10592

約数の個数: 20

約数和(自身を含む): 42777768

約数和(自身を除く): 20868280

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10453, 20906, 41812, 83624, 167248, 1369343, 2738686, 5477372, 10954744, 21909488]

約数ペア:

[(1, 21909488), (2, 10954744), (4, 5477372), (8, 2738686), (16, 1369343), (131, 167248), (262, 83624), (524, 41812), (1048, 20906), (2096, 10453)]