21722364720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 960

約数和(自身を含む): 93995126784

約数和(自身を除く): 72272762064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 23, 24, 28, 30, 34, 35, 36, 40, 42, 45, 46, 48, 51, 56, 60, 63, 68, 69, 70, 72, 73, 80, 84, 85, 90, 92, 102, 105, 112, 115, 119, 120, 126, 136, 138, 140, 144, 146, 151, 153, 161, 168, 170, 180, 184, 204, 207, 210, 219, 230, 238, 240, 252, 255, 272, 276, 280, 292, 302, 306, 315, 322, 336, 340, 345, 357, 360, 365, 368, 391, 408, 414, 420, 438, 453, 460, 476, 483, 504, 510, 511, 552, 560, 584, 595, 604, 612, 630, 644, 657, 680, 690, 714, 720, 730, 755, 765, 782, 805, 816, 828, 840, 876, 906, 920, 952, 966, 1008, 1020, 1022, 1035, 1057, 1071, 1095, 1104, 1168, 1173, 1190, 1208, 1224, 1241, 1260, 1288, 1314, 1359, 1360, 1380, 1428, 1449, 1460, 1510, 1530, 1533, 1564, 1610, 1656, 1679, 1680, 1752, 1785, 1812, 1840, 1904, 1932, 1955, 2040, 2044, 2070, 2114, 2142, 2190, 2265, 2346, 2380, 2415, 2416, 2448, 2482, 2520, 2555, 2567, 2576, 2628, 2718, 2737, 2760, 2856, 2898, 2920, 3020, 3060, 3066, 3128, 3171, 3220, 3285, 3312, 3358, 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20550960, 20987792, 21254760, 21296436, 21549965, 22486920, 22817610, 23611266, 23976120, 24797220, 25859958, 26234740, 26620545, 26984304, 27777960, 28395248, 28771344, 29756664, 30169951, 30423480, 31481688, 31944654, 33062960, 33730380, 34479944, 35494060, 35964180, 36508176, 37195830, 38789937, 39352110, 42509520, 42592872, 43099930, 44973840, 45635220, 47222532, 47952240, 49594440, 51719916, 52469480, 53241090, 55555920, 59028165, 59513328, 60339902, 60846960, 62963376, 63889308, 64649895, 67460760, 68959888, 70988120, 71928360, 74391660, 77579874, 78704220, 79861635, 85185744, 86199860, 90509853, 91270440, 94445064, 99188880, 103439832, 104938960, 106482180, 118056330, 120679804, 127778616, 129299790, 134921520, 141976240, 143856720, 148783320, 150849755, 155159748, 157408440, 159723270, 172399720, 181019706, 182540880, 188890128, 193949685, 206879664, 212964360, 236112660, 241359608, 255557232, 258599580, 271529559, 297566640, 301699510, 310319496, 314816880, 319446540, 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約数ペア:

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