21947445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37517}}^1$

素因数の和:37541

約数の個数: 24

約数和(自身を含む): 40969656

約数和(自身を除く): 19022211

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37517, 112551, 187585, 337653, 487721, 562755, 1463163, 1688265, 2438605, 4389489, 7315815, 21947445]

約数ペア:

[(1, 21947445), (3, 7315815), (5, 4389489), (9, 2438605), (13, 1688265), (15, 1463163), (39, 562755), (45, 487721), (65, 337653), (117, 187585), (195, 112551), (585, 37517)]