21306362

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4514

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 19833862

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4463, 4774, 8926, 31241, 49093, 62482, 98186, 138353, 276706, 343651, 687302, 968471, 1521883, 1936942, 3043766, 10653181, 21306362]

約数ペア:

[(1, 21306362), (2, 10653181), (7, 3043766), (11, 1936942), (14, 1521883), (22, 968471), (31, 687302), (62, 343651), (77, 276706), (154, 138353), (217, 98186), (341, 62482), (434, 49093), (682, 31241), (2387, 8926), (4463, 4774)]