21118944

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2888

約数の個数: 96

約数和(自身を含む): 69140736

約数和(自身を除く): 48021792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 224, 231, 264, 308, 336, 352, 462, 528, 616, 672, 924, 1056, 1232, 1848, 2464, 2857, 3696, 5714, 7392, 8571, 11428, 17142, 19999, 22856, 31427, 34284, 39998, 45712, 59997, 62854, 68568, 79996, 91424, 94281, 119994, 125708, 137136, 159992, 188562, 219989, 239988, 251416, 274272, 319984, 377124, 439978, 479976, 502832, 639968, 659967, 754248, 879956, 959952, 1005664, 1319934, 1508496, 1759912, 1919904, 2639868, 3016992, 3519824, 5279736, 7039648, 10559472, 21118944]

約数ペア:

[(1, 21118944), (2, 10559472), (3, 7039648), (4, 5279736), (6, 3519824), (7, 3016992), (8, 2639868), (11, 1919904), (12, 1759912), (14, 1508496), (16, 1319934), (21, 1005664), (22, 959952), (24, 879956), (28, 754248), (32, 659967), (33, 639968), (42, 502832), (44, 479976), (48, 439978), (56, 377124), (66, 319984), (77, 274272), (84, 251416), (88, 239988), (96, 219989), (112, 188562), (132, 159992), (154, 137136), (168, 125708), (176, 119994), (224, 94281), (231, 91424), (264, 79996), (308, 68568), (336, 62854), (352, 59997), (462, 45712), (528, 39998), (616, 34284), (672, 31427), (924, 22856), (1056, 19999), (1232, 17142), (1848, 11428), (2464, 8571), (2857, 7392), (3696, 5714)]