21641536

素因数分解:

$2^6\times 7^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 84

約数和(自身を含む): 51194208

約数和(自身を除く): 29552672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 98, 103, 112, 134, 196, 206, 224, 268, 392, 412, 448, 469, 536, 721, 784, 824, 938, 1072, 1442, 1568, 1648, 1876, 2144, 2884, 3136, 3283, 3296, 3752, 4288, 5047, 5768, 6566, 6592, 6901, 7504, 10094, 11536, 13132, 13802, 15008, 20188, 23072, 26264, 27604, 30016, 40376, 46144, 48307, 52528, 55208, 80752, 96614, 105056, 110416, 161504, 193228, 210112, 220832, 323008, 338149, 386456, 441664, 676298, 772912, 1352596, 1545824, 2705192, 3091648, 5410384, 10820768, 21641536]

約数ペア:

[(1, 21641536), (2, 10820768), (4, 5410384), (7, 3091648), (8, 2705192), (14, 1545824), (16, 1352596), (28, 772912), (32, 676298), (49, 441664), (56, 386456), (64, 338149), (67, 323008), (98, 220832), (103, 210112), (112, 193228), (134, 161504), (196, 110416), (206, 105056), (224, 96614), (268, 80752), (392, 55208), (412, 52528), (448, 48307), (469, 46144), (536, 40376), (721, 30016), (784, 27604), (824, 26264), (938, 23072), (1072, 20188), (1442, 15008), (1568, 13802), (1648, 13132), (1876, 11536), (2144, 10094), (2884, 7504), (3136, 6901), (3283, 6592), (3296, 6566), (3752, 5768), (4288, 5047)]