21872032

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 57312360

約数和(自身を除く): 35440328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 37, 49, 52, 56, 58, 74, 91, 98, 104, 112, 116, 148, 182, 196, 203, 208, 224, 232, 259, 296, 364, 377, 392, 406, 416, 464, 481, 518, 592, 637, 728, 754, 784, 812, 928, 962, 1036, 1073, 1184, 1274, 1421, 1456, 1508, 1568, 1624, 1813, 1924, 2072, 2146, 2548, 2639, 2842, 2912, 3016, 3248, 3367, 3626, 3848, 4144, 4292, 5096, 5278, 5684, 6032, 6496, 6734, 7252, 7511, 7696, 8288, 8584, 10192, 10556, 11368, 12064, 13468, 13949, 14504, 15022, 15392, 17168, 18473, 20384, 21112, 22736, 23569, 26936, 27898, 29008, 30044, 34336, 36946, 42224, 45472, 47138, 52577, 53872, 55796, 58016, 60088, 73892, 84448, 94276, 97643, 105154, 107744, 111592, 120176, 147784, 188552, 195286, 210308, 223184, 240352, 295568, 377104, 390572, 420616, 446368, 591136, 683501, 754208, 781144, 841232, 1367002, 1562288, 1682464, 2734004, 3124576, 5468008, 10936016, 21872032]

約数ペア:

[(1, 21872032), (2, 10936016), (4, 5468008), (7, 3124576), (8, 2734004), (13, 1682464), (14, 1562288), (16, 1367002), (26, 841232), (28, 781144), (29, 754208), (32, 683501), (37, 591136), (49, 446368), (52, 420616), (56, 390572), (58, 377104), (74, 295568), (91, 240352), (98, 223184), (104, 210308), (112, 195286), (116, 188552), (148, 147784), (182, 120176), (196, 111592), (203, 107744), (208, 105154), (224, 97643), (232, 94276), (259, 84448), (296, 73892), (364, 60088), (377, 58016), (392, 55796), (406, 53872), (416, 52577), (464, 47138), (481, 45472), (518, 42224), (592, 36946), (637, 34336), (728, 30044), (754, 29008), (784, 27898), (812, 26936), (928, 23569), (962, 22736), (1036, 21112), (1073, 20384), (1184, 18473), (1274, 17168), (1421, 15392), (1456, 15022), (1508, 14504), (1568, 13949), (1624, 13468), (1813, 12064), (1924, 11368), (2072, 10556), (2146, 10192), (2548, 8584), (2639, 8288), (2842, 7696), (2912, 7511), (3016, 7252), (3248, 6734), (3367, 6496), (3626, 6032), (3848, 5684), (4144, 5278), (4292, 5096)]