21226465792

素因数分解:

$2^9\times 7^1\times {\mathrm{73}}^1\times {\mathrm{81131}}^1$

素因数の和:81229

約数の個数: 80

約数和(自身を含む): 49134837312

約数和(自身を除く): 27908371520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 512, 584, 896, 1022, 1168, 1792, 2044, 2336, 3584, 4088, 4672, 8176, 9344, 16352, 18688, 32704, 37376, 65408, 81131, 130816, 162262, 261632, 324524, 567917, 649048, 1135834, 1298096, 2271668, 2596192, 4543336, 5192384, 5922563, 9086672, 10384768, 11845126, 18173344, 20769536, 23690252, 36346688, 41457941, 41539072, 47380504, 72693376, 82915882, 94761008, 145386752, 165831764, 189522016, 290773504, 331663528, 379044032, 663327056, 758088064, 1326654112, 1516176128, 2653308224, 3032352256, 5306616448, 10613232896, 21226465792]

約数ペア:

[(1, 21226465792), (2, 10613232896), (4, 5306616448), (7, 3032352256), (8, 2653308224), (14, 1516176128), (16, 1326654112), (28, 758088064), (32, 663327056), (56, 379044032), (64, 331663528), (73, 290773504), (112, 189522016), (128, 165831764), (146, 145386752), (224, 94761008), (256, 82915882), (292, 72693376), (448, 47380504), (511, 41539072), (512, 41457941), (584, 36346688), (896, 23690252), (1022, 20769536), (1168, 18173344), (1792, 11845126), (2044, 10384768), (2336, 9086672), (3584, 5922563), (4088, 5192384), (4672, 4543336), (8176, 2596192), (9344, 2271668), (16352, 1298096), (18688, 1135834), (32704, 649048), (37376, 567917), (65408, 324524), (81131, 261632), (130816, 162262)]