21170799664

素因数分解:

$2^4\times 7^3\times {\mathrm{181}}^1\times {\mathrm{21313}}^1$

素因数の和:21523

約数の個数: 80

約数和(自身を含む): 48101435200

約数和(自身を除く): 26930635536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 181, 196, 343, 362, 392, 686, 724, 784, 1267, 1372, 1448, 2534, 2744, 2896, 5068, 5488, 8869, 10136, 17738, 20272, 21313, 35476, 42626, 62083, 70952, 85252, 124166, 141904, 149191, 170504, 248332, 298382, 341008, 496664, 596764, 993328, 1044337, 1193528, 2088674, 2387056, 3857653, 4177348, 7310359, 7715306, 8354696, 14620718, 15430612, 16709392, 27003571, 29241436, 30861224, 54007142, 58482872, 61722448, 108014284, 116965744, 189024997, 216028568, 378049994, 432057136, 756099988, 1323174979, 1512199976, 2646349958, 3024399952, 5292699916, 10585399832, 21170799664]

約数ペア:

[(1, 21170799664), (2, 10585399832), (4, 5292699916), (7, 3024399952), (8, 2646349958), (14, 1512199976), (16, 1323174979), (28, 756099988), (49, 432057136), (56, 378049994), (98, 216028568), (112, 189024997), (181, 116965744), (196, 108014284), (343, 61722448), (362, 58482872), (392, 54007142), (686, 30861224), (724, 29241436), (784, 27003571), (1267, 16709392), (1372, 15430612), (1448, 14620718), (2534, 8354696), (2744, 7715306), (2896, 7310359), (5068, 4177348), (5488, 3857653), (8869, 2387056), (10136, 2088674), (17738, 1193528), (20272, 1044337), (21313, 993328), (35476, 596764), (42626, 496664), (62083, 341008), (70952, 298382), (85252, 248332), (124166, 170504), (141904, 149191)]