21833427

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 37085184

約数和(自身を除く): 15251757

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 2011, 3619, 6033, 10857, 14077, 22121, 42231, 66363, 94517, 154847, 283551, 464541, 661619, 1039687, 1984857, 3119061, 7277809, 21833427]

約数ペア:

[(1, 21833427), (3, 7277809), (7, 3119061), (11, 1984857), (21, 1039687), (33, 661619), (47, 464541), (77, 283551), (141, 154847), (231, 94517), (329, 66363), (517, 42231), (987, 22121), (1551, 14077), (2011, 10857), (3619, 6033)]