21767877

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 32604000

約数和(自身を除く): 10836123

約数列:

[1, 3, 9, 37, 111, 131, 333, 393, 499, 1179, 1497, 4491, 4847, 14541, 18463, 43623, 55389, 65369, 166167, 196107, 588321, 2418653, 7255959, 21767877]

約数ペア:

[(1, 21767877), (3, 7255959), (9, 2418653), (37, 588321), (111, 196107), (131, 166167), (333, 65369), (393, 55389), (499, 43623), (1179, 18463), (1497, 14541), (4491, 4847)]