21707712

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 126

約数和(自身を含む): 67677792

約数和(自身を除く): 45970080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 169, 192, 208, 223, 234, 288, 312, 338, 416, 446, 468, 507, 576, 624, 669, 676, 832, 892, 936, 1014, 1248, 1338, 1352, 1521, 1784, 1872, 2007, 2028, 2496, 2676, 2704, 2899, 3042, 3568, 3744, 4014, 4056, 5352, 5408, 5798, 6084, 7136, 7488, 8028, 8112, 8697, 10704, 10816, 11596, 12168, 14272, 16056, 16224, 17394, 21408, 23192, 24336, 26091, 32112, 32448, 34788, 37687, 42816, 46384, 48672, 52182, 64224, 69576, 75374, 92768, 97344, 104364, 113061, 128448, 139152, 150748, 185536, 208728, 226122, 278304, 301496, 339183, 417456, 452244, 556608, 602992, 678366, 834912, 904488, 1205984, 1356732, 1669824, 1808976, 2411968, 2713464, 3617952, 5426928, 7235904, 10853856, 21707712]

約数ペア:

[(1, 21707712), (2, 10853856), (3, 7235904), (4, 5426928), (6, 3617952), (8, 2713464), (9, 2411968), (12, 1808976), (13, 1669824), (16, 1356732), (18, 1205984), (24, 904488), (26, 834912), (32, 678366), (36, 602992), (39, 556608), (48, 452244), (52, 417456), (64, 339183), (72, 301496), (78, 278304), (96, 226122), (104, 208728), (117, 185536), (144, 150748), (156, 139152), (169, 128448), (192, 113061), (208, 104364), (223, 97344), (234, 92768), (288, 75374), (312, 69576), (338, 64224), (416, 52182), (446, 48672), (468, 46384), (507, 42816), (576, 37687), (624, 34788), (669, 32448), (676, 32112), (832, 26091), (892, 24336), (936, 23192), (1014, 21408), (1248, 17394), (1338, 16224), (1352, 16056), (1521, 14272), (1784, 12168), (1872, 11596), (2007, 10816), (2028, 10704), (2496, 8697), (2676, 8112), (2704, 8028), (2899, 7488), (3042, 7136), (3568, 6084), (3744, 5798), (4014, 5408), (4056, 5352)]