21071013768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{3167}}^1$

素因数の和:3536

約数の個数: 192

約数和(自身を含む): 66975068160

約数和(自身を除く): 45904054392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 307, 344, 387, 504, 516, 602, 614, 774, 903, 921, 1032, 1204, 1228, 1548, 1806, 1842, 2149, 2408, 2456, 2709, 2763, 3096, 3167, 3612, 3684, 4298, 5418, 5526, 6334, 6447, 7224, 7368, 8596, 9501, 10836, 11052, 12668, 12894, 13201, 17192, 19002, 19341, 21672, 22104, 22169, 25336, 25788, 26402, 28503, 38004, 38682, 39603, 44338, 51576, 52804, 57006, 66507, 76008, 77364, 79206, 88676, 92407, 105608, 114012, 118809, 133014, 136181, 154728, 158412, 177352, 184814, 199521, 228024, 237618, 266028, 272362, 277221, 316824, 369628, 399042, 408543, 475236, 532056, 544724, 554442, 739256, 798084, 817086, 831663, 950472, 953267, 972269, 1089448, 1108884, 1225629, 1596168, 1634172, 1663326, 1906534, 1944538, 2217768, 2451258, 2859801, 2916807, 3268344, 3326652, 3813068, 3889076, 4902516, 5719602, 5833614, 6653304, 6805883, 7626136, 7778152, 8579403, 8750421, 9805032, 11439204, 11667228, 13611766, 17158806, 17500842, 20417649, 22878408, 23334456, 27223532, 34317612, 35001684, 40835298, 41807567, 54447064, 61252947, 68635224, 70003368, 81670596, 83615134, 122505894, 125422701, 163341192, 167230268, 245011788, 250845402, 292652969, 334460536, 376268103, 490023576, 501690804, 585305938, 752536206, 877958907, 1003381608, 1170611876, 1505072412, 1755917814, 2341223752, 2633876721, 3010144824, 3511835628, 5267753442, 7023671256, 10535506884, 21071013768]

約数ペア:

[(1, 21071013768), (2, 10535506884), (3, 7023671256), (4, 5267753442), (6, 3511835628), (7, 3010144824), (8, 2633876721), (9, 2341223752), (12, 1755917814), (14, 1505072412), (18, 1170611876), (21, 1003381608), (24, 877958907), (28, 752536206), (36, 585305938), (42, 501690804), (43, 490023576), (56, 376268103), (63, 334460536), (72, 292652969), (84, 250845402), (86, 245011788), (126, 167230268), (129, 163341192), (168, 125422701), (172, 122505894), (252, 83615134), (258, 81670596), (301, 70003368), (307, 68635224), (344, 61252947), (387, 54447064), (504, 41807567), (516, 40835298), (602, 35001684), (614, 34317612), (774, 27223532), (903, 23334456), (921, 22878408), (1032, 20417649), (1204, 17500842), (1228, 17158806), (1548, 13611766), (1806, 11667228), (1842, 11439204), (2149, 9805032), (2408, 8750421), (2456, 8579403), (2709, 7778152), (2763, 7626136), (3096, 6805883), (3167, 6653304), (3612, 5833614), (3684, 5719602), (4298, 4902516), (5418, 3889076), (5526, 3813068), (6334, 3326652), (6447, 3268344), (7224, 2916807), (7368, 2859801), (8596, 2451258), (9501, 2217768), (10836, 1944538), (11052, 1906534), (12668, 1663326), (12894, 1634172), (13201, 1596168), (17192, 1225629), (19002, 1108884), (19341, 1089448), (21672, 972269), (22104, 953267), (22169, 950472), (25336, 831663), (25788, 817086), (26402, 798084), (28503, 739256), (38004, 554442), (38682, 544724), (39603, 532056), (44338, 475236), (51576, 408543), (52804, 399042), (57006, 369628), (66507, 316824), (76008, 277221), (77364, 272362), (79206, 266028), (88676, 237618), (92407, 228024), (105608, 199521), (114012, 184814), (118809, 177352), (133014, 158412), (136181, 154728)]