21171744

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 67695264

約数和(自身を除く): 46523520

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 41, 44, 48, 66, 72, 82, 88, 96, 99, 123, 132, 144, 163, 164, 176, 198, 246, 264, 288, 326, 328, 352, 369, 396, 451, 489, 492, 528, 652, 656, 738, 792, 902, 978, 984, 1056, 1304, 1312, 1353, 1467, 1476, 1584, 1793, 1804, 1956, 1968, 2608, 2706, 2934, 2952, 3168, 3586, 3608, 3912, 3936, 4059, 5216, 5379, 5412, 5868, 5904, 6683, 7172, 7216, 7824, 8118, 10758, 10824, 11736, 11808, 13366, 14344, 14432, 15648, 16137, 16236, 20049, 21516, 21648, 23472, 26732, 28688, 32274, 32472, 40098, 43032, 43296, 46944, 53464, 57376, 60147, 64548, 64944, 73513, 80196, 86064, 106928, 120294, 129096, 129888, 147026, 160392, 172128, 213856, 220539, 240588, 258192, 294052, 320784, 441078, 481176, 516384, 588104, 641568, 661617, 882156, 962352, 1176208, 1323234, 1764312, 1924704, 2352416, 2646468, 3528624, 5292936, 7057248, 10585872, 21171744]

約数ペア:

[(1, 21171744), (2, 10585872), (3, 7057248), (4, 5292936), (6, 3528624), (8, 2646468), (9, 2352416), (11, 1924704), (12, 1764312), (16, 1323234), (18, 1176208), (22, 962352), (24, 882156), (32, 661617), (33, 641568), (36, 588104), (41, 516384), (44, 481176), (48, 441078), (66, 320784), (72, 294052), (82, 258192), (88, 240588), (96, 220539), (99, 213856), (123, 172128), (132, 160392), (144, 147026), (163, 129888), (164, 129096), (176, 120294), (198, 106928), (246, 86064), (264, 80196), (288, 73513), (326, 64944), (328, 64548), (352, 60147), (369, 57376), (396, 53464), (451, 46944), (489, 43296), (492, 43032), (528, 40098), (652, 32472), (656, 32274), (738, 28688), (792, 26732), (902, 23472), (978, 21648), (984, 21516), (1056, 20049), (1304, 16236), (1312, 16137), (1353, 15648), (1467, 14432), (1476, 14344), (1584, 13366), (1793, 11808), (1804, 11736), (1956, 10824), (1968, 10758), (2608, 8118), (2706, 7824), (2934, 7216), (2952, 7172), (3168, 6683), (3586, 5904), (3608, 5868), (3912, 5412), (3936, 5379), (4059, 5216)]