21903244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{497801}}^1$

素因数の和:497816

約数の個数: 12

約数和(自身を含む): 41815368

約数和(自身を除く): 19912124

約数列:

[1, 2, 4, 11, 22, 44, 497801, 995602, 1991204, 5475811, 10951622, 21903244]

約数ペア:

[(1, 21903244), (2, 10951622), (4, 5475811), (11, 1991204), (22, 995602), (44, 497801)]