21085042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25903}}^1$

素因数の和:25953

約数の個数: 16

約数和(自身を含む): 35436672

約数和(自身を除く): 14351630

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25903, 51806, 284933, 569866, 958411, 1916822, 10542521, 21085042]

約数ペア:

[(1, 21085042), (2, 10542521), (11, 1916822), (22, 958411), (37, 569866), (74, 284933), (407, 51806), (814, 25903)]