21081736893

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2333}}^1\times {\mathrm{10007}}^1$

素因数の和:12393

約数の個数: 32

約数和(自身を含む): 32889010176

約数和(自身を除く): 11807273283

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 2333, 6999, 10007, 16331, 30021, 48993, 70049, 100319, 210147, 300957, 430301, 702233, 1290903, 2106699, 3012107, 9036321, 23346331, 70038993, 163424317, 490272951, 1003892233, 3011676699, 7027245631, 21081736893]

約数ペア:

[(1, 21081736893), (3, 7027245631), (7, 3011676699), (21, 1003892233), (43, 490272951), (129, 163424317), (301, 70038993), (903, 23346331), (2333, 9036321), (6999, 3012107), (10007, 2106699), (16331, 1290903), (30021, 702233), (48993, 430301), (70049, 300957), (100319, 210147)]