21105224

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1433}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 45429120

約数和(自身を除く): 24323896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1433, 1841, 2104, 2866, 3682, 5732, 7364, 10031, 11464, 14728, 20062, 40124, 80248, 376879, 753758, 1507516, 2638153, 3015032, 5276306, 10552612, 21105224]

約数ペア:

[(1, 21105224), (2, 10552612), (4, 5276306), (7, 3015032), (8, 2638153), (14, 1507516), (28, 753758), (56, 376879), (263, 80248), (526, 40124), (1052, 20062), (1433, 14728), (1841, 11464), (2104, 10031), (2866, 7364), (3682, 5732)]