21795700736

素因数分解:

$2^{21}\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 88

約数和(自身を含む): 45969560880

約数和(自身を除く): 24173860144

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 547, 608, 1024, 1094, 1216, 2048, 2188, 2432, 4096, 4376, 4864, 8192, 8752, 9728, 10393, 16384, 17504, 19456, 20786, 32768, 35008, 38912, 41572, 65536, 70016, 77824, 83144, 131072, 140032, 155648, 166288, 262144, 280064, 311296, 332576, 524288, 560128, 622592, 665152, 1048576, 1120256, 1245184, 1330304, 2097152, 2240512, 2490368, 2660608, 4481024, 4980736, 5321216, 8962048, 9961472, 10642432, 17924096, 19922944, 21284864, 35848192, 39845888, 42569728, 71696384, 85139456, 143392768, 170278912, 286785536, 340557824, 573571072, 681115648, 1147142144, 1362231296, 2724462592, 5448925184, 10897850368, 21795700736]

約数ペア:

[(1, 21795700736), (2, 10897850368), (4, 5448925184), (8, 2724462592), (16, 1362231296), (19, 1147142144), (32, 681115648), (38, 573571072), (64, 340557824), (76, 286785536), (128, 170278912), (152, 143392768), (256, 85139456), (304, 71696384), (512, 42569728), (547, 39845888), (608, 35848192), (1024, 21284864), (1094, 19922944), (1216, 17924096), (2048, 10642432), (2188, 9961472), (2432, 8962048), (4096, 5321216), (4376, 4980736), (4864, 4481024), (8192, 2660608), (8752, 2490368), (9728, 2240512), (10393, 2097152), (16384, 1330304), (17504, 1245184), (19456, 1120256), (20786, 1048576), (32768, 665152), (35008, 622592), (38912, 560128), (41572, 524288), (65536, 332576), (70016, 311296), (77824, 280064), (83144, 262144), (131072, 166288), (140032, 155648)]