21134531728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 42657698304

約数和(自身を除く): 21523166576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 227, 248, 337, 454, 496, 557, 674, 908, 1114, 1348, 1816, 2228, 2696, 3632, 4456, 5392, 7037, 8912, 10447, 14074, 17267, 20894, 28148, 34534, 41788, 56296, 69068, 76499, 83576, 112592, 126439, 138136, 152998, 167152, 187709, 252878, 276272, 305996, 375418, 505756, 611992, 750836, 1011512, 1223984, 1501672, 2023024, 2371469, 3003344, 3919609, 4742938, 5818979, 7839218, 9485876, 11637958, 15678436, 18971752, 23275916, 31356872, 37943504, 42609943, 46551832, 62713744, 85219886, 93103664, 170439772, 340879544, 681759088, 1320908233, 2641816466, 5283632932, 10567265864, 21134531728]

約数ペア:

[(1, 21134531728), (2, 10567265864), (4, 5283632932), (8, 2641816466), (16, 1320908233), (31, 681759088), (62, 340879544), (124, 170439772), (227, 93103664), (248, 85219886), (337, 62713744), (454, 46551832), (496, 42609943), (557, 37943504), (674, 31356872), (908, 23275916), (1114, 18971752), (1348, 15678436), (1816, 11637958), (2228, 9485876), (2696, 7839218), (3632, 5818979), (4456, 4742938), (5392, 3919609), (7037, 3003344), (8912, 2371469), (10447, 2023024), (14074, 1501672), (17267, 1223984), (20894, 1011512), (28148, 750836), (34534, 611992), (41788, 505756), (56296, 375418), (69068, 305996), (76499, 276272), (83576, 252878), (112592, 187709), (126439, 167152), (138136, 152998)]