21026907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4519}}^1$

素因数の和:4583

約数の個数: 24

約数和(自身を含む): 33845760

約数和(自身を除く): 12818853

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4519, 4653, 13557, 40671, 49709, 149127, 212393, 447381, 637179, 1911537, 2336323, 7008969, 21026907]

約数ペア:

[(1, 21026907), (3, 7008969), (9, 2336323), (11, 1911537), (33, 637179), (47, 447381), (99, 212393), (141, 149127), (423, 49709), (517, 40671), (1551, 13557), (4519, 4653)]