21100464

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 180

約数和(自身を含む): 74609808

約数和(自身を除く): 53509344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 121, 126, 132, 144, 154, 168, 173, 176, 198, 231, 242, 252, 264, 308, 336, 346, 363, 396, 462, 484, 504, 519, 528, 616, 692, 693, 726, 792, 847, 924, 968, 1008, 1038, 1089, 1211, 1232, 1384, 1386, 1452, 1557, 1584, 1694, 1848, 1903, 1936, 2076, 2178, 2422, 2541, 2768, 2772, 2904, 3114, 3388, 3633, 3696, 3806, 4152, 4356, 4844, 5082, 5544, 5709, 5808, 6228, 6776, 7266, 7612, 7623, 8304, 8712, 9688, 10164, 10899, 11088, 11418, 12456, 13321, 13552, 14532, 15224, 15246, 17127, 17424, 19376, 20328, 20933, 21798, 22836, 24912, 26642, 29064, 30448, 30492, 34254, 39963, 40656, 41866, 43596, 45672, 53284, 58128, 60984, 62799, 68508, 79926, 83732, 87192, 91344, 106568, 119889, 121968, 125598, 137016, 146531, 159852, 167464, 174384, 188397, 213136, 239778, 251196, 274032, 293062, 319704, 334928, 376794, 439593, 479556, 502392, 586124, 639408, 753588, 879186, 959112, 1004784, 1172248, 1318779, 1507176, 1758372, 1918224, 2344496, 2637558, 3014352, 3516744, 5275116, 7033488, 10550232, 21100464]

約数ペア:

[(1, 21100464), (2, 10550232), (3, 7033488), (4, 5275116), (6, 3516744), (7, 3014352), (8, 2637558), (9, 2344496), (11, 1918224), (12, 1758372), (14, 1507176), (16, 1318779), (18, 1172248), (21, 1004784), (22, 959112), (24, 879186), (28, 753588), (33, 639408), (36, 586124), (42, 502392), (44, 479556), (48, 439593), (56, 376794), (63, 334928), (66, 319704), (72, 293062), (77, 274032), (84, 251196), (88, 239778), (99, 213136), (112, 188397), (121, 174384), (126, 167464), (132, 159852), (144, 146531), (154, 137016), (168, 125598), (173, 121968), (176, 119889), (198, 106568), (231, 91344), (242, 87192), (252, 83732), (264, 79926), (308, 68508), (336, 62799), (346, 60984), (363, 58128), (396, 53284), (462, 45672), (484, 43596), (504, 41866), (519, 40656), (528, 39963), (616, 34254), (692, 30492), (693, 30448), (726, 29064), (792, 26642), (847, 24912), (924, 22836), (968, 21798), (1008, 20933), (1038, 20328), (1089, 19376), (1211, 17424), (1232, 17127), (1384, 15246), (1386, 15224), (1452, 14532), (1557, 13552), (1584, 13321), (1694, 12456), (1848, 11418), (1903, 11088), (1936, 10899), (2076, 10164), (2178, 9688), (2422, 8712), (2541, 8304), (2768, 7623), (2772, 7612), (2904, 7266), (3114, 6776), (3388, 6228), (3633, 5808), (3696, 5709), (3806, 5544), (4152, 5082), (4356, 4844)]