21997788

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25819}}^1$

素因数の和:25897

約数の個数: 24

約数和(自身を含む): 52053120

約数和(自身を除く): 30055332

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25819, 51638, 77457, 103276, 154914, 309828, 1833149, 3666298, 5499447, 7332596, 10998894, 21997788]

約数ペア:

[(1, 21997788), (2, 10998894), (3, 7332596), (4, 5499447), (6, 3666298), (12, 1833149), (71, 309828), (142, 154914), (213, 103276), (284, 77457), (426, 51638), (852, 25819)]