21382728

素因数分解:

$2^3\times 3^1\times {\mathrm{883}}^1\times {\mathrm{1009}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 53570400

約数和(自身を除く): 32187672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 883, 1009, 1766, 2018, 2649, 3027, 3532, 4036, 5298, 6054, 7064, 8072, 10596, 12108, 21192, 24216, 890947, 1781894, 2672841, 3563788, 5345682, 7127576, 10691364, 21382728]

約数ペア:

[(1, 21382728), (2, 10691364), (3, 7127576), (4, 5345682), (6, 3563788), (8, 2672841), (12, 1781894), (24, 890947), (883, 24216), (1009, 21192), (1766, 12108), (2018, 10596), (2649, 8072), (3027, 7064), (3532, 6054), (4036, 5298)]