21553683

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2274

約数の個数: 16

約数和(自身を含む): 29776896

約数和(自身を除く): 8223213

約数列:

[1, 3, 47, 71, 141, 213, 2153, 3337, 6459, 10011, 101191, 152863, 303573, 458589, 7184561, 21553683]

約数ペア:

[(1, 21553683), (3, 7184561), (47, 458589), (71, 303573), (141, 152863), (213, 101191), (2153, 10011), (3337, 6459)]