21177244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{481301}}^1$

素因数の和:481316

約数の個数: 12

約数和(自身を含む): 40429368

約数和(自身を除く): 19252124

約数列:

[1, 2, 4, 11, 22, 44, 481301, 962602, 1925204, 5294311, 10588622, 21177244]

約数ペア:

[(1, 21177244), (2, 10588622), (4, 5294311), (11, 1925204), (22, 962602), (44, 481301)]