21027552

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 50096928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 32, 39, 42, 48, 52, 56, 58, 78, 83, 84, 87, 91, 96, 104, 112, 116, 156, 166, 168, 174, 182, 203, 208, 224, 232, 249, 273, 312, 332, 336, 348, 364, 377, 406, 416, 464, 498, 546, 581, 609, 624, 664, 672, 696, 728, 754, 812, 928, 996, 1079, 1092, 1131, 1162, 1218, 1248, 1328, 1392, 1456, 1508, 1624, 1743, 1992, 2158, 2184, 2262, 2324, 2407, 2436, 2639, 2656, 2784, 2912, 3016, 3237, 3248, 3486, 3984, 4316, 4368, 4524, 4648, 4814, 4872, 5278, 6032, 6474, 6496, 6972, 7221, 7553, 7917, 7968, 8632, 8736, 9048, 9296, 9628, 9744, 10556, 12064, 12948, 13944, 14442, 15106, 15834, 16849, 17264, 18096, 18592, 19256, 19488, 21112, 22659, 25896, 27888, 28884, 30212, 31291, 31668, 33698, 34528, 36192, 38512, 42224, 45318, 50547, 51792, 55776, 57768, 60424, 62582, 63336, 67396, 77024, 84448, 90636, 93873, 101094, 103584, 115536, 120848, 125164, 126672, 134792, 181272, 187746, 202188, 219037, 231072, 241696, 250328, 253344, 269584, 362544, 375492, 404376, 438074, 500656, 539168, 657111, 725088, 750984, 808752, 876148, 1001312, 1314222, 1501968, 1617504, 1752296, 2628444, 3003936, 3504592, 5256888, 7009184, 10513776, 21027552]

約数ペア:

[(1, 21027552), (2, 10513776), (3, 7009184), (4, 5256888), (6, 3504592), (7, 3003936), (8, 2628444), (12, 1752296), (13, 1617504), (14, 1501968), (16, 1314222), (21, 1001312), (24, 876148), (26, 808752), (28, 750984), (29, 725088), (32, 657111), (39, 539168), (42, 500656), (48, 438074), (52, 404376), (56, 375492), (58, 362544), (78, 269584), (83, 253344), (84, 250328), (87, 241696), (91, 231072), (96, 219037), (104, 202188), (112, 187746), (116, 181272), (156, 134792), (166, 126672), (168, 125164), (174, 120848), (182, 115536), (203, 103584), (208, 101094), (224, 93873), (232, 90636), (249, 84448), (273, 77024), (312, 67396), (332, 63336), (336, 62582), (348, 60424), (364, 57768), (377, 55776), (406, 51792), (416, 50547), (464, 45318), (498, 42224), (546, 38512), (581, 36192), (609, 34528), (624, 33698), (664, 31668), (672, 31291), (696, 30212), (728, 28884), (754, 27888), (812, 25896), (928, 22659), (996, 21112), (1079, 19488), (1092, 19256), (1131, 18592), (1162, 18096), (1218, 17264), (1248, 16849), (1328, 15834), (1392, 15106), (1456, 14442), (1508, 13944), (1624, 12948), (1743, 12064), (1992, 10556), (2158, 9744), (2184, 9628), (2262, 9296), (2324, 9048), (2407, 8736), (2436, 8632), (2639, 7968), (2656, 7917), (2784, 7553), (2912, 7221), (3016, 6972), (3237, 6496), (3248, 6474), (3486, 6032), (3984, 5278), (4316, 4872), (4368, 4814), (4524, 4648)]