21013258

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12613}}^1$

素因数の和:12646

約数の個数: 24

約数和(自身を含む): 38825892

約数和(自身を除く): 17812634

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12613, 25226, 88291, 176582, 214421, 428842, 618037, 1236074, 1500947, 3001894, 10506629, 21013258]

約数ペア:

[(1, 21013258), (2, 10506629), (7, 3001894), (14, 1500947), (17, 1236074), (34, 618037), (49, 428842), (98, 214421), (119, 176582), (238, 88291), (833, 25226), (1666, 12613)]