857641386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{20420033}}^1$

素因数の和:20420045

約数の個数: 16

約数和(自身を含む): 1960323264

約数和(自身を除く): 1102681878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 20420033, 40840066, 61260099, 122520198, 142940231, 285880462, 428820693, 857641386]

約数ペア:

[(1, 857641386), (2, 428820693), (3, 285880462), (6, 142940231), (7, 122520198), (14, 61260099), (21, 40840066), (42, 20420033)]