21758198

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8311}}^1$

素因数の和:8348

約数の個数: 32

約数和(自身を含む): 43089408

約数和(自身を除く): 21331210

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8311, 16622, 58177, 91421, 116354, 141287, 182842, 282574, 639947, 989009, 1279894, 1554157, 1978018, 3108314, 10879099, 21758198]

約数ペア:

[(1, 21758198), (2, 10879099), (7, 3108314), (11, 1978018), (14, 1554157), (17, 1279894), (22, 989009), (34, 639947), (77, 282574), (119, 182842), (154, 141287), (187, 116354), (238, 91421), (374, 58177), (1309, 16622), (2618, 8311)]