21526652

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5531}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 43370880

約数和(自身を除く): 21844228

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5531, 11062, 22124, 38717, 77434, 154868, 768809, 1537618, 3075236, 5381663, 10763326, 21526652]

約数ペア:

[(1, 21526652), (2, 10763326), (4, 5381663), (7, 3075236), (14, 1537618), (28, 768809), (139, 154868), (278, 77434), (556, 38717), (973, 22124), (1946, 11062), (3892, 5531)]