21671986

素因数分解:

$2^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1459}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 37212480

約数和(自身を除く): 15540494

約数列:

[1, 2, 7, 14, 1061, 1459, 2122, 2918, 7427, 10213, 14854, 20426, 1547999, 3095998, 10835993, 21671986]

約数ペア:

[(1, 21671986), (2, 10835993), (7, 3095998), (14, 1547999), (1061, 20426), (1459, 14854), (2122, 10213), (2918, 7427)]