21886866

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 27803502

約数列:

[1, 2, 3, 6, 9, 18, 41, 47, 82, 94, 123, 141, 246, 282, 369, 423, 631, 738, 846, 1262, 1893, 1927, 3786, 3854, 5679, 5781, 11358, 11562, 17343, 25871, 29657, 34686, 51742, 59314, 77613, 88971, 155226, 177942, 232839, 266913, 465678, 533826, 1215937, 2431874, 3647811, 7295622, 10943433, 21886866]

約数ペア:

[(1, 21886866), (2, 10943433), (3, 7295622), (6, 3647811), (9, 2431874), (18, 1215937), (41, 533826), (47, 465678), (82, 266913), (94, 232839), (123, 177942), (141, 155226), (246, 88971), (282, 77613), (369, 59314), (423, 51742), (631, 34686), (738, 29657), (846, 25871), (1262, 17343), (1893, 11562), (1927, 11358), (3786, 5781), (3854, 5679)]