21786982

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36191}}^1$

素因数の和:36243

約数の個数: 16

約数和(自身を含む): 38218752

約数和(自身を除く): 16431770

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 36191, 72382, 253337, 506674, 1556213, 3112426, 10893491, 21786982]

約数ペア:

[(1, 21786982), (2, 10893491), (7, 3112426), (14, 1556213), (43, 506674), (86, 253337), (301, 72382), (602, 36191)]