21164068672

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1999}}^1$

素因数の和:2328

約数の個数: 112

約数和(自身を含む): 45866304000

約数和(自身を除く): 24702235328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 136, 148, 263, 272, 296, 526, 544, 592, 629, 1052, 1088, 1184, 1258, 1999, 2104, 2368, 2516, 3998, 4208, 4471, 5032, 7996, 8416, 8942, 9731, 10064, 15992, 16832, 17884, 19462, 20128, 31984, 33983, 35768, 38924, 40256, 63968, 67966, 71536, 73963, 77848, 127936, 135932, 143072, 147926, 155696, 165427, 271864, 286144, 295852, 311392, 330854, 525737, 543728, 591704, 622784, 661708, 1051474, 1087456, 1183408, 1257371, 1323416, 2102948, 2174912, 2366816, 2514742, 2646832, 4205896, 4733632, 5029484, 5293664, 8411792, 8937529, 10058968, 10587328, 16823584, 17875058, 19452269, 20117936, 33647168, 35750116, 38904538, 40235872, 71500232, 77809076, 80471744, 143000464, 155618152, 286000928, 311236304, 330688573, 572001856, 622472608, 661377146, 1244945216, 1322754292, 2645508584, 5291017168, 10582034336, 21164068672]

約数ペア:

[(1, 21164068672), (2, 10582034336), (4, 5291017168), (8, 2645508584), (16, 1322754292), (17, 1244945216), (32, 661377146), (34, 622472608), (37, 572001856), (64, 330688573), (68, 311236304), (74, 286000928), (136, 155618152), (148, 143000464), (263, 80471744), (272, 77809076), (296, 71500232), (526, 40235872), (544, 38904538), (592, 35750116), (629, 33647168), (1052, 20117936), (1088, 19452269), (1184, 17875058), (1258, 16823584), (1999, 10587328), (2104, 10058968), (2368, 8937529), (2516, 8411792), (3998, 5293664), (4208, 5029484), (4471, 4733632), (5032, 4205896), (7996, 2646832), (8416, 2514742), (8942, 2366816), (9731, 2174912), (10064, 2102948), (15992, 1323416), (16832, 1257371), (17884, 1183408), (19462, 1087456), (20128, 1051474), (31984, 661708), (33983, 622784), (35768, 591704), (38924, 543728), (40256, 525737), (63968, 330854), (67966, 311392), (71536, 295852), (73963, 286144), (77848, 271864), (127936, 165427), (135932, 155696), (143072, 147926)]