21941712

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3937

約数の個数: 80

約数和(自身を含む): 67842880

約数和(自身を除く): 45901168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3907, 5616, 7814, 11721, 15628, 23442, 31256, 35163, 46884, 50791, 62512, 70326, 93768, 101582, 105489, 140652, 152373, 187536, 203164, 210978, 281304, 304746, 406328, 421956, 457119, 562608, 609492, 812656, 843912, 914238, 1218984, 1371357, 1687824, 1828476, 2437968, 2742714, 3656952, 5485428, 7313904, 10970856, 21941712]

約数ペア:

[(1, 21941712), (2, 10970856), (3, 7313904), (4, 5485428), (6, 3656952), (8, 2742714), (9, 2437968), (12, 1828476), (13, 1687824), (16, 1371357), (18, 1218984), (24, 914238), (26, 843912), (27, 812656), (36, 609492), (39, 562608), (48, 457119), (52, 421956), (54, 406328), (72, 304746), (78, 281304), (104, 210978), (108, 203164), (117, 187536), (144, 152373), (156, 140652), (208, 105489), (216, 101582), (234, 93768), (312, 70326), (351, 62512), (432, 50791), (468, 46884), (624, 35163), (702, 31256), (936, 23442), (1404, 15628), (1872, 11721), (2808, 7814), (3907, 5616)]