21244168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3307}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 44062560

約数和(自身を除く): 22818392

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3307, 6424, 6614, 13228, 26456, 36377, 72754, 145508, 241411, 291016, 482822, 965644, 1931288, 2655521, 5311042, 10622084, 21244168]

約数ペア:

[(1, 21244168), (2, 10622084), (4, 5311042), (8, 2655521), (11, 1931288), (22, 965644), (44, 482822), (73, 291016), (88, 241411), (146, 145508), (292, 72754), (584, 36377), (803, 26456), (1606, 13228), (3212, 6614), (3307, 6424)]