21381407136

素因数分解:

$2^5\times 3^3\times {\mathrm{347}}^1\times {\mathrm{71317}}^1$

素因数の和:71683

約数の個数: 96

約数和(自身を含む): 62543033280

約数和(自身を除く): 41161626144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 347, 432, 694, 864, 1041, 1388, 2082, 2776, 3123, 4164, 5552, 6246, 8328, 9369, 11104, 12492, 16656, 18738, 24984, 33312, 37476, 49968, 71317, 74952, 99936, 142634, 149904, 213951, 285268, 299808, 427902, 570536, 641853, 855804, 1141072, 1283706, 1711608, 1925559, 2282144, 2567412, 3423216, 3851118, 5134824, 6846432, 7702236, 10269648, 15404472, 20539296, 24746999, 30808944, 49493998, 61617888, 74240997, 98987996, 148481994, 197975992, 222722991, 296963988, 395951984, 445445982, 593927976, 668168973, 791903968, 890891964, 1187855952, 1336337946, 1781783928, 2375711904, 2672675892, 3563567856, 5345351784, 7127135712, 10690703568, 21381407136]

約数ペア:

[(1, 21381407136), (2, 10690703568), (3, 7127135712), (4, 5345351784), (6, 3563567856), (8, 2672675892), (9, 2375711904), (12, 1781783928), (16, 1336337946), (18, 1187855952), (24, 890891964), (27, 791903968), (32, 668168973), (36, 593927976), (48, 445445982), (54, 395951984), (72, 296963988), (96, 222722991), (108, 197975992), (144, 148481994), (216, 98987996), (288, 74240997), (347, 61617888), (432, 49493998), (694, 30808944), (864, 24746999), (1041, 20539296), (1388, 15404472), (2082, 10269648), (2776, 7702236), (3123, 6846432), (4164, 5134824), (5552, 3851118), (6246, 3423216), (8328, 2567412), (9369, 2282144), (11104, 1925559), (12492, 1711608), (16656, 1283706), (18738, 1141072), (24984, 855804), (33312, 641853), (37476, 570536), (49968, 427902), (71317, 299808), (74952, 285268), (99936, 213951), (142634, 149904)]