21013221376

素因数分解:

$2^{12}\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9277}}^1$

素因数の和:9387

約数の個数: 104

約数和(自身を含む): 48637502720

約数和(自身を除く): 27624281344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 512, 553, 632, 896, 1024, 1106, 1264, 1792, 2048, 2212, 2528, 3584, 4096, 4424, 5056, 7168, 8848, 9277, 10112, 14336, 17696, 18554, 20224, 28672, 35392, 37108, 40448, 64939, 70784, 74216, 80896, 129878, 141568, 148432, 161792, 259756, 283136, 296864, 323584, 519512, 566272, 593728, 732883, 1039024, 1132544, 1187456, 1465766, 2078048, 2265088, 2374912, 2931532, 4156096, 4749824, 5130181, 5863064, 8312192, 9499648, 10260362, 11726128, 16624384, 18999296, 20520724, 23452256, 33248768, 37998592, 41041448, 46904512, 66497536, 82082896, 93809024, 132995072, 164165792, 187618048, 265990144, 328331584, 375236096, 656663168, 750472192, 1313326336, 1500944384, 2626652672, 3001888768, 5253305344, 10506610688, 21013221376]

約数ペア:

[(1, 21013221376), (2, 10506610688), (4, 5253305344), (7, 3001888768), (8, 2626652672), (14, 1500944384), (16, 1313326336), (28, 750472192), (32, 656663168), (56, 375236096), (64, 328331584), (79, 265990144), (112, 187618048), (128, 164165792), (158, 132995072), (224, 93809024), (256, 82082896), (316, 66497536), (448, 46904512), (512, 41041448), (553, 37998592), (632, 33248768), (896, 23452256), (1024, 20520724), (1106, 18999296), (1264, 16624384), (1792, 11726128), (2048, 10260362), (2212, 9499648), (2528, 8312192), (3584, 5863064), (4096, 5130181), (4424, 4749824), (5056, 4156096), (7168, 2931532), (8848, 2374912), (9277, 2265088), (10112, 2078048), (14336, 1465766), (17696, 1187456), (18554, 1132544), (20224, 1039024), (28672, 732883), (35392, 593728), (37108, 566272), (40448, 519512), (64939, 323584), (70784, 296864), (74216, 283136), (80896, 259756), (129878, 161792), (141568, 148432)]