21017073

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 14879247

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2459, 2849, 7377, 8547, 17213, 27049, 51639, 81147, 90983, 189343, 272949, 568029, 636881, 1000813, 1910643, 3002439, 7005691, 21017073]

約数ペア:

[(1, 21017073), (3, 7005691), (7, 3002439), (11, 1910643), (21, 1000813), (33, 636881), (37, 568029), (77, 272949), (111, 189343), (231, 90983), (259, 81147), (407, 51639), (777, 27049), (1221, 17213), (2459, 8547), (2849, 7377)]