21739614208

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{408271}}^1$

素因数の和:408308

約数の個数: 52

約数和(自身を含む): 46818183328

約数和(自身を除く): 25078569120

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 2048, 3328, 4096, 6656, 13312, 26624, 53248, 408271, 816542, 1633084, 3266168, 5307523, 6532336, 10615046, 13064672, 21230092, 26129344, 42460184, 52258688, 84920368, 104517376, 169840736, 209034752, 339681472, 418069504, 679362944, 836139008, 1358725888, 1672278016, 2717451776, 5434903552, 10869807104, 21739614208]

約数ペア:

[(1, 21739614208), (2, 10869807104), (4, 5434903552), (8, 2717451776), (13, 1672278016), (16, 1358725888), (26, 836139008), (32, 679362944), (52, 418069504), (64, 339681472), (104, 209034752), (128, 169840736), (208, 104517376), (256, 84920368), (416, 52258688), (512, 42460184), (832, 26129344), (1024, 21230092), (1664, 13064672), (2048, 10615046), (3328, 6532336), (4096, 5307523), (6656, 3266168), (13312, 1633084), (26624, 816542), (53248, 408271)]