21488588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10391}}^1$

素因数の和:10453

約数の個数: 24

約数和(自身を含む): 41900544

約数和(自身を除く): 20411956

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10391, 20782, 41564, 114301, 228602, 457204, 488377, 976754, 1953508, 5372147, 10744294, 21488588]

約数ペア:

[(1, 21488588), (2, 10744294), (4, 5372147), (11, 1953508), (22, 976754), (44, 488377), (47, 457204), (94, 228602), (188, 114301), (517, 41564), (1034, 20782), (2068, 10391)]