21094728

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18701}}^1$

素因数の和:18757

約数の個数: 32

約数和(自身を含む): 53861760

約数和(自身を除く): 32767032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18701, 37402, 56103, 74804, 112206, 149608, 224412, 448824, 878947, 1757894, 2636841, 3515788, 5273682, 7031576, 10547364, 21094728]

約数ペア:

[(1, 21094728), (2, 10547364), (3, 7031576), (4, 5273682), (6, 3515788), (8, 2636841), (12, 1757894), (24, 878947), (47, 448824), (94, 224412), (141, 149608), (188, 112206), (282, 74804), (376, 56103), (564, 37402), (1128, 18701)]