21755412

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4111}}^1$

素因数の和:4138

約数の個数: 72

約数和(自身を含む): 65627520

約数和(自身を除く): 43872108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 4111, 5292, 8222, 12333, 16444, 24666, 28777, 36999, 49332, 57554, 73998, 86331, 110997, 115108, 147996, 172662, 201439, 221994, 258993, 345324, 402878, 443988, 517986, 604317, 776979, 805756, 1035972, 1208634, 1553958, 1812951, 2417268, 3107916, 3625902, 5438853, 7251804, 10877706, 21755412]

約数ペア:

[(1, 21755412), (2, 10877706), (3, 7251804), (4, 5438853), (6, 3625902), (7, 3107916), (9, 2417268), (12, 1812951), (14, 1553958), (18, 1208634), (21, 1035972), (27, 805756), (28, 776979), (36, 604317), (42, 517986), (49, 443988), (54, 402878), (63, 345324), (84, 258993), (98, 221994), (108, 201439), (126, 172662), (147, 147996), (189, 115108), (196, 110997), (252, 86331), (294, 73998), (378, 57554), (441, 49332), (588, 36999), (756, 28777), (882, 24666), (1323, 16444), (1764, 12333), (2646, 8222), (4111, 5292)]