17971212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{213943}}^1$

素因数の和:213957

約数の個数: 24

約数和(自身を含む): 47923456

約数和(自身を除く): 29952244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 213943, 427886, 641829, 855772, 1283658, 1497601, 2567316, 2995202, 4492803, 5990404, 8985606, 17971212]

約数ペア:

[(1, 17971212), (2, 8985606), (3, 5990404), (4, 4492803), (6, 2995202), (7, 2567316), (12, 1497601), (14, 1283658), (21, 855772), (28, 641829), (42, 427886), (84, 213943)]