21513106874

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1483}}^1\times {\mathrm{2339}}^1$

素因数の和:4274

約数の個数: 32

約数和(自身を含む): 37003599360

約数和(自身を除く): 15490492486

約数列:

[1, 2, 7, 14, 443, 886, 1483, 2339, 2966, 3101, 4678, 6202, 10381, 16373, 20762, 32746, 656969, 1036177, 1313938, 2072354, 3468737, 4598783, 6937474, 7253239, 9197566, 14506478, 24281159, 48562318, 1536650491, 3073300982, 10756553437, 21513106874]

約数ペア:

[(1, 21513106874), (2, 10756553437), (7, 3073300982), (14, 1536650491), (443, 48562318), (886, 24281159), (1483, 14506478), (2339, 9197566), (2966, 7253239), (3101, 6937474), (4678, 4598783), (6202, 3468737), (10381, 2072354), (16373, 1313938), (20762, 1036177), (32746, 656969)]