21014181

素因数分解:

$3^3\times {\mathrm{41}}^2\times {\mathrm{463}}^1$

素因数の和:554

約数の個数: 24

約数和(自身を含む): 31978880

約数和(自身を除く): 10964699

約数列:

[1, 3, 9, 27, 41, 123, 369, 463, 1107, 1389, 1681, 4167, 5043, 12501, 15129, 18983, 45387, 56949, 170847, 512541, 778303, 2334909, 7004727, 21014181]

約数ペア:

[(1, 21014181), (3, 7004727), (9, 2334909), (27, 778303), (41, 512541), (123, 170847), (369, 56949), (463, 45387), (1107, 18983), (1389, 15129), (1681, 12501), (4167, 5043)]