21672828

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12809}}^1$

素因数の和:12866

約数の個数: 36

約数和(自身を含む): 55954080

約数和(自身を除く): 34281252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12809, 25618, 38427, 51236, 76854, 115281, 153708, 230562, 461124, 602023, 1204046, 1806069, 2408092, 3612138, 5418207, 7224276, 10836414, 21672828]

約数ペア:

[(1, 21672828), (2, 10836414), (3, 7224276), (4, 5418207), (6, 3612138), (9, 2408092), (12, 1806069), (18, 1204046), (36, 602023), (47, 461124), (94, 230562), (141, 153708), (188, 115281), (282, 76854), (423, 51236), (564, 38427), (846, 25618), (1692, 12809)]