21000273896

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1459163}}^1$

素因数の和:1459433

約数の個数: 32

約数和(自身を含む): 45175717440

約数和(自身を除く): 24175443544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 7196, 14392, 1459163, 2918326, 5836652, 10214141, 11673304, 20428282, 40856564, 81713128, 375004891, 750009782, 1500019564, 2625034237, 3000039128, 5250068474, 10500136948, 21000273896]

約数ペア:

[(1, 21000273896), (2, 10500136948), (4, 5250068474), (7, 3000039128), (8, 2625034237), (14, 1500019564), (28, 750009782), (56, 375004891), (257, 81713128), (514, 40856564), (1028, 20428282), (1799, 11673304), (2056, 10214141), (3598, 5836652), (7196, 2918326), (14392, 1459163)]