21186573

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9661}}^1$

素因数の和:9724

約数の個数: 16

約数和(自身を含む): 30609216

約数和(自身を除く): 9422643

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9661, 28983, 164237, 415423, 492711, 1246269, 7062191, 21186573]

約数ペア:

[(1, 21186573), (3, 7062191), (17, 1246269), (43, 492711), (51, 415423), (129, 164237), (731, 28983), (2193, 9661)]