21375116

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6011}}^1$

素因数の和:6149

約数の個数: 24

約数和(自身を含む): 43094016

約数和(自身を除く): 21718900

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6011, 12022, 24044, 42077, 84154, 168308, 763397, 1526794, 3053588, 5343779, 10687558, 21375116]

約数ペア:

[(1, 21375116), (2, 10687558), (4, 5343779), (7, 3053588), (14, 1526794), (28, 763397), (127, 168308), (254, 84154), (508, 42077), (889, 24044), (1778, 12022), (3556, 6011)]