21205325568

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{64663}}^1$

素因数の和:64750

約数の個数: 144

約数和(自身を含む): 65557915136

約数和(自身を除く): 44352589568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 128, 168, 183, 192, 224, 244, 256, 336, 366, 384, 427, 448, 488, 672, 732, 768, 854, 896, 976, 1281, 1344, 1464, 1708, 1792, 1952, 2562, 2688, 2928, 3416, 3904, 5124, 5376, 5856, 6832, 7808, 10248, 11712, 13664, 15616, 20496, 23424, 27328, 40992, 46848, 54656, 64663, 81984, 109312, 129326, 163968, 193989, 258652, 327936, 387978, 452641, 517304, 775956, 905282, 1034608, 1357923, 1551912, 1810564, 2069216, 2715846, 3103824, 3621128, 3944443, 4138432, 5431692, 6207648, 7242256, 7888886, 8276864, 10863384, 11833329, 12415296, 14484512, 15777772, 16553728, 21726768, 23666658, 24830592, 27611101, 28969024, 31555544, 43453536, 47333316, 49661184, 55222202, 57938048, 63111088, 82833303, 86907072, 94666632, 110444404, 115876096, 126222176, 165666606, 173814144, 189333264, 220888808, 252444352, 331333212, 347628288, 378666528, 441777616, 504888704, 662666424, 757333056, 883555232, 1009777408, 1325332848, 1514666112, 1767110464, 2650665696, 3029332224, 3534220928, 5301331392, 7068441856, 10602662784, 21205325568]

約数ペア:

[(1, 21205325568), (2, 10602662784), (3, 7068441856), (4, 5301331392), (6, 3534220928), (7, 3029332224), (8, 2650665696), (12, 1767110464), (14, 1514666112), (16, 1325332848), (21, 1009777408), (24, 883555232), (28, 757333056), (32, 662666424), (42, 504888704), (48, 441777616), (56, 378666528), (61, 347628288), (64, 331333212), (84, 252444352), (96, 220888808), (112, 189333264), (122, 173814144), (128, 165666606), (168, 126222176), (183, 115876096), (192, 110444404), (224, 94666632), (244, 86907072), (256, 82833303), (336, 63111088), (366, 57938048), (384, 55222202), (427, 49661184), (448, 47333316), (488, 43453536), (672, 31555544), (732, 28969024), (768, 27611101), (854, 24830592), (896, 23666658), (976, 21726768), (1281, 16553728), (1344, 15777772), (1464, 14484512), (1708, 12415296), (1792, 11833329), (1952, 10863384), (2562, 8276864), (2688, 7888886), (2928, 7242256), (3416, 6207648), (3904, 5431692), (5124, 4138432), (5376, 3944443), (5856, 3621128), (6832, 3103824), (7808, 2715846), (10248, 2069216), (11712, 1810564), (13664, 1551912), (15616, 1357923), (20496, 1034608), (23424, 905282), (27328, 775956), (40992, 517304), (46848, 452641), (54656, 387978), (64663, 327936), (81984, 258652), (109312, 193989), (129326, 163968)]