21000453606

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{1303}}^1$

素因数の和:1999

約数の個数: 128

約数和(自身を含む): 52216750080

約数和(自身を除く): 31216296474

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 631, 774, 946, 1161, 1262, 1303, 1419, 1893, 2322, 2606, 2838, 3786, 3909, 4257, 5679, 6941, 7818, 8514, 11358, 11727, 12771, 13882, 14333, 17037, 20823, 23454, 25542, 27133, 28666, 34074, 35181, 41646, 42999, 54266, 56029, 62469, 70362, 81399, 85998, 112058, 124938, 128997, 162798, 168087, 187407, 244197, 257994, 298463, 336174, 374814, 386991, 488394, 504261, 596926, 616319, 732591, 773982, 822193, 895389, 1008522, 1232638, 1465182, 1512783, 1644386, 1790778, 1848957, 2466579, 2686167, 3025566, 3697914, 4933158, 5372334, 5546871, 7399737, 8058501, 9044123, 11093742, 14799474, 16117002, 16640613, 18088246, 22199211, 27132369, 33281226, 35354299, 44398422, 54264738, 70708598, 81397107, 106062897, 162794214, 212125794, 244191321, 318188691, 388897289, 488382642, 636377382, 777794578, 954566073, 1166691867, 1909132146, 2333383734, 3500075601, 7000151202, 10500226803, 21000453606]

約数ペア:

[(1, 21000453606), (2, 10500226803), (3, 7000151202), (6, 3500075601), (9, 2333383734), (11, 1909132146), (18, 1166691867), (22, 954566073), (27, 777794578), (33, 636377382), (43, 488382642), (54, 388897289), (66, 318188691), (86, 244191321), (99, 212125794), (129, 162794214), (198, 106062897), (258, 81397107), (297, 70708598), (387, 54264738), (473, 44398422), (594, 35354299), (631, 33281226), (774, 27132369), (946, 22199211), (1161, 18088246), (1262, 16640613), (1303, 16117002), (1419, 14799474), (1893, 11093742), (2322, 9044123), (2606, 8058501), (2838, 7399737), (3786, 5546871), (3909, 5372334), (4257, 4933158), (5679, 3697914), (6941, 3025566), (7818, 2686167), (8514, 2466579), (11358, 1848957), (11727, 1790778), (12771, 1644386), (13882, 1512783), (14333, 1465182), (17037, 1232638), (20823, 1008522), (23454, 895389), (25542, 822193), (27133, 773982), (28666, 732591), (34074, 616319), (35181, 596926), (41646, 504261), (42999, 488394), (54266, 386991), (56029, 374814), (62469, 336174), (70362, 298463), (81399, 257994), (85998, 244197), (112058, 187407), (124938, 168087), (128997, 162798)]