2051216643

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{912869}}^1$

素因数の和:912986

約数の個数: 16

約数和(自身を含む): 3154878720

約数和(自身を除く): 1103662077

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 912869, 2738607, 6390083, 19170249, 97676983, 293030949, 683738881, 2051216643]

約数ペア:

[(1, 2051216643), (3, 683738881), (7, 293030949), (21, 97676983), (107, 19170249), (321, 6390083), (749, 2738607), (2247, 912869)]