21151508

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2383}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 42454272

約数和(自身を除く): 21302764

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 2383, 4438, 4766, 8876, 9532, 16681, 33362, 66724, 755411, 1510822, 3021644, 5287877, 10575754, 21151508]

約数ペア:

[(1, 21151508), (2, 10575754), (4, 5287877), (7, 3021644), (14, 1510822), (28, 755411), (317, 66724), (634, 33362), (1268, 16681), (2219, 9532), (2383, 8876), (4438, 4766)]