About the Number
21479920
2進数表記:1010001111100000111110000
漢数字表記:二千百四十七万九千九百二十
素因数分解:
素因数の和:359
約数の個数: 120
約数和(自身を含む): 62933472
約数和(自身を除く): 41453552
約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 317, 385, 440, 484, 560, 605, 616, 634, 770, 847, 880, 968, 1210, 1232, 1268, 1540, 1585, 1694, 1936, 2219, 2420, 2536, 3080, 3170, 3388, 3487, 4235, 4438, 4840, 5072, 6160, 6340, 6776, 6974, 8470, 8876, 9680, 11095, 12680, 13552, 13948, 16940, 17435, 17752, 22190, 24409, 25360, 27896, 33880, 34870, 35504, 38357, 44380, 48818, 55792, 67760, 69740, 76714, 88760, 97636, 122045, 139480, 153428, 177520, 191785, 195272, 244090, 268499, 278960, 306856, 383570, 390544, 488180, 536998, 613712, 767140, 976360, 1073996, 1342495, 1534280, 1952720, 2147992, 2684990, 3068560, 4295984, 5369980, 10739960, 21479920]
約数ペア:
[(1, 21479920), (2, 10739960), (4, 5369980), (5, 4295984), (7, 3068560), (8, 2684990), (10, 2147992), (11, 1952720), (14, 1534280), (16, 1342495), (20, 1073996), (22, 976360), (28, 767140), (35, 613712), (40, 536998), (44, 488180), (55, 390544), (56, 383570), (70, 306856), (77, 278960), (80, 268499), (88, 244090), (110, 195272), (112, 191785), (121, 177520), (140, 153428), (154, 139480), (176, 122045), (220, 97636), (242, 88760), (280, 76714), (308, 69740), (317, 67760), (385, 55792), (440, 48818), (484, 44380), (560, 38357), (605, 35504), (616, 34870), (634, 33880), (770, 27896), (847, 25360), (880, 24409), (968, 22190), (1210, 17752), (1232, 17435), (1268, 16940), (1540, 13948), (1585, 13552), (1694, 12680), (1936, 11095), (2219, 9680), (2420, 8876), (2536, 8470), (3080, 6974), (3170, 6776), (3388, 6340), (3487, 6160), (4235, 5072), (4438, 4840)]このpageの処理時間: 0.006402015686035156 seconds