2108981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 2578560

約数和(自身を除く): 469579

約数列:

[1, 7, 19, 101, 133, 157, 707, 1099, 1919, 2983, 13433, 15857, 20881, 110999, 301283, 2108981]

約数ペア:

[(1, 2108981), (7, 301283), (19, 110999), (101, 20881), (133, 15857), (157, 13433), (707, 2983), (1099, 1919)]