21000476

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4967}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 42287616

約数和(自身を除く): 21287140

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4967, 9934, 19868, 34769, 69538, 139076, 750017, 1500034, 3000068, 5250119, 10500238, 21000476]

約数ペア:

[(1, 21000476), (2, 10500238), (4, 5250119), (7, 3000068), (14, 1500034), (28, 750017), (151, 139076), (302, 69538), (604, 34769), (1057, 19868), (2114, 9934), (4228, 4967)]