21002757

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3307}}^1$

素因数の和:3412

約数の個数: 16

約数和(自身を含む): 29375040

約数和(自身を除く): 8372283

約数列:

[1, 3, 29, 73, 87, 219, 2117, 3307, 6351, 9921, 95903, 241411, 287709, 724233, 7000919, 21002757]

約数ペア:

[(1, 21002757), (3, 7000919), (29, 724233), (73, 287709), (87, 241411), (219, 95903), (2117, 9921), (3307, 6351)]