21755536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1831

約数の個数: 40

約数和(自身を含む): 46657728

約数和(自身を除く): 24902192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 1741, 3124, 3482, 6248, 6964, 12496, 13928, 19151, 27856, 38302, 76604, 123611, 153208, 247222, 306416, 494444, 988888, 1359721, 1977776, 2719442, 5438884, 10877768, 21755536]

約数ペア:

[(1, 21755536), (2, 10877768), (4, 5438884), (8, 2719442), (11, 1977776), (16, 1359721), (22, 988888), (44, 494444), (71, 306416), (88, 247222), (142, 153208), (176, 123611), (284, 76604), (568, 38302), (781, 27856), (1136, 19151), (1562, 13928), (1741, 12496), (3124, 6964), (3482, 6248)]