About the Number
21387520
2進数表記:1010001100101100100000000
漢数字表記:二千百三十八万七千五百二十
素因数分解:
素因数の和:77
約数の個数: 216
約数和(自身を含む): 67108608
約数和(自身を除く): 45721088
約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 49, 55, 56, 62, 64, 70, 77, 80, 88, 98, 110, 112, 124, 128, 140, 154, 155, 160, 176, 196, 217, 220, 224, 245, 248, 256, 280, 308, 310, 320, 341, 352, 385, 392, 434, 440, 448, 490, 496, 539, 560, 616, 620, 640, 682, 704, 770, 784, 868, 880, 896, 980, 992, 1078, 1085, 1120, 1232, 1240, 1280, 1364, 1408, 1519, 1540, 1568, 1705, 1736, 1760, 1792, 1960, 1984, 2156, 2170, 2240, 2387, 2464, 2480, 2695, 2728, 2816, 3038, 3080, 3136, 3410, 3472, 3520, 3920, 3968, 4312, 4340, 4480, 4774, 4928, 4960, 5390, 5456, 6076, 6160, 6272, 6820, 6944, 7040, 7595, 7840, 7936, 8624, 8680, 8960, 9548, 9856, 9920, 10780, 10912, 11935, 12152, 12320, 12544, 13640, 13888, 14080, 15190, 15680, 16709, 17248, 17360, 19096, 19712, 19840, 21560, 21824, 23870, 24304, 24640, 27280, 27776, 30380, 31360, 33418, 34496, 34720, 38192, 39680, 43120, 43648, 47740, 48608, 49280, 54560, 55552, 60760, 62720, 66836, 68992, 69440, 76384, 83545, 86240, 87296, 95480, 97216, 98560, 109120, 121520, 133672, 137984, 138880, 152768, 167090, 172480, 190960, 194432, 218240, 243040, 267344, 277760, 305536, 334180, 344960, 381920, 388864, 436480, 486080, 534688, 611072, 668360, 689920, 763840, 972160, 1069376, 1336720, 1527680, 1944320, 2138752, 2673440, 3055360, 4277504, 5346880, 10693760, 21387520]
約数ペア:
[(1, 21387520), (2, 10693760), (4, 5346880), (5, 4277504), (7, 3055360), (8, 2673440), (10, 2138752), (11, 1944320), (14, 1527680), (16, 1336720), (20, 1069376), (22, 972160), (28, 763840), (31, 689920), (32, 668360), (35, 611072), (40, 534688), (44, 486080), (49, 436480), (55, 388864), (56, 381920), (62, 344960), (64, 334180), (70, 305536), (77, 277760), (80, 267344), (88, 243040), (98, 218240), (110, 194432), (112, 190960), (124, 172480), (128, 167090), (140, 152768), (154, 138880), (155, 137984), (160, 133672), (176, 121520), (196, 109120), (217, 98560), (220, 97216), (224, 95480), (245, 87296), (248, 86240), (256, 83545), (280, 76384), (308, 69440), (310, 68992), (320, 66836), (341, 62720), (352, 60760), (385, 55552), (392, 54560), (434, 49280), (440, 48608), (448, 47740), (490, 43648), (496, 43120), (539, 39680), (560, 38192), (616, 34720), (620, 34496), (640, 33418), (682, 31360), (704, 30380), (770, 27776), (784, 27280), (868, 24640), (880, 24304), (896, 23870), (980, 21824), (992, 21560), (1078, 19840), (1085, 19712), (1120, 19096), (1232, 17360), (1240, 17248), (1280, 16709), (1364, 15680), (1408, 15190), (1519, 14080), (1540, 13888), (1568, 13640), (1705, 12544), (1736, 12320), (1760, 12152), (1792, 11935), (1960, 10912), (1984, 10780), (2156, 9920), (2170, 9856), (2240, 9548), (2387, 8960), (2464, 8680), (2480, 8624), (2695, 7936), (2728, 7840), (2816, 7595), (3038, 7040), (3080, 6944), (3136, 6820), (3410, 6272), (3472, 6160), (3520, 6076), (3920, 5456), (3968, 5390), (4312, 4960), (4340, 4928), (4480, 4774)]このpageの処理時間: 0.00832509994506836 seconds