21756828

素因数分解:

$2^2\times 3^1\times {\mathrm{823}}^1\times {\mathrm{2203}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 50850688

約数和(自身を除く): 29093860

約数列:

[1, 2, 3, 4, 6, 12, 823, 1646, 2203, 2469, 3292, 4406, 4938, 6609, 8812, 9876, 13218, 26436, 1813069, 3626138, 5439207, 7252276, 10878414, 21756828]

約数ペア:

[(1, 21756828), (2, 10878414), (3, 7252276), (4, 5439207), (6, 3626138), (12, 1813069), (823, 26436), (1646, 13218), (2203, 9876), (2469, 8812), (3292, 6609), (4406, 4938)]