21689364

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25457}}^1$

素因数の和:25535

約数の個数: 24

約数和(自身を含む): 51323328

約数和(自身を除く): 29633964

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25457, 50914, 76371, 101828, 152742, 305484, 1807447, 3614894, 5422341, 7229788, 10844682, 21689364]

約数ペア:

[(1, 21689364), (2, 10844682), (3, 7229788), (4, 5422341), (6, 3614894), (12, 1807447), (71, 305484), (142, 152742), (213, 101828), (284, 76371), (426, 50914), (852, 25457)]