About the Number

21009744

21009743 ← → 21009745

2進数表記:1010000001001010101010000

漢数字表記:二千百万九千七百四十四

素因数分解:

2 4 × 3 2 × 7 1 × 19 1 × 1097 1

素因数の和:1137
約数の個数: 120
約数和(自身を含む): 70799040
約数和(自身を除く): 49789296

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1097, 1197, 1368, 1596, 2128, 2194, 2394, 2736, 3192, 3291, 4388, 4788, 6384, 6582, 7679, 8776, 9576, 9873, 13164, 15358, 17552, 19152, 19746, 20843, 23037, 26328, 30716, 39492, 41686, 46074, 52656, 61432, 62529, 69111, 78984, 83372, 92148, 122864, 125058, 138222, 145901, 157968, 166744, 184296, 187587, 250116, 276444, 291802, 333488, 368592, 375174, 437703, 500232, 552888, 583604, 750348, 875406, 1000464, 1105776, 1167208, 1313109, 1500696, 1750812, 2334416, 2626218, 3001392, 3501624, 5252436, 7003248, 10504872, 21009744]

約数ペア:
[(1, 21009744), (2, 10504872), (3, 7003248), (4, 5252436), (6, 3501624), (7, 3001392), (8, 2626218), (9, 2334416), (12, 1750812), (14, 1500696), (16, 1313109), (18, 1167208), (19, 1105776), (21, 1000464), (24, 875406), (28, 750348), (36, 583604), (38, 552888), (42, 500232), (48, 437703), (56, 375174), (57, 368592), (63, 333488), (72, 291802), (76, 276444), (84, 250116), (112, 187587), (114, 184296), (126, 166744), (133, 157968), (144, 145901), (152, 138222), (168, 125058), (171, 122864), (228, 92148), (252, 83372), (266, 78984), (304, 69111), (336, 62529), (342, 61432), (399, 52656), (456, 46074), (504, 41686), (532, 39492), (684, 30716), (798, 26328), (912, 23037), (1008, 20843), (1064, 19746), (1097, 19152), (1197, 17552), (1368, 15358), (1596, 13164), (2128, 9873), (2194, 9576), (2394, 8776), (2736, 7679), (3192, 6582), (3291, 6384), (4388, 4788)]

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