21406571712

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{205327}}^1$

素因数の和:205526

約数の個数: 84

約数和(自身を含む): 61697368096

約数和(自身を除く): 40290796384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 192, 288, 362, 543, 576, 724, 1086, 1448, 1629, 2172, 2896, 3258, 4344, 5792, 6516, 8688, 11584, 13032, 17376, 26064, 34752, 52128, 104256, 205327, 410654, 615981, 821308, 1231962, 1642616, 1847943, 2463924, 3285232, 3695886, 4927848, 6570464, 7391772, 9855696, 13140928, 14783544, 19711392, 29567088, 37164187, 39422784, 59134176, 74328374, 111492561, 118268352, 148656748, 222985122, 297313496, 334477683, 445970244, 594626992, 668955366, 891940488, 1189253984, 1337910732, 1783880976, 2378507968, 2675821464, 3567761952, 5351642928, 7135523904, 10703285856, 21406571712]

約数ペア:

[(1, 21406571712), (2, 10703285856), (3, 7135523904), (4, 5351642928), (6, 3567761952), (8, 2675821464), (9, 2378507968), (12, 1783880976), (16, 1337910732), (18, 1189253984), (24, 891940488), (32, 668955366), (36, 594626992), (48, 445970244), (64, 334477683), (72, 297313496), (96, 222985122), (144, 148656748), (181, 118268352), (192, 111492561), (288, 74328374), (362, 59134176), (543, 39422784), (576, 37164187), (724, 29567088), (1086, 19711392), (1448, 14783544), (1629, 13140928), (2172, 9855696), (2896, 7391772), (3258, 6570464), (4344, 4927848), (5792, 3695886), (6516, 3285232), (8688, 2463924), (11584, 1847943), (13032, 1642616), (17376, 1231962), (26064, 821308), (34752, 615981), (52128, 410654), (104256, 205327)]