21365498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8161}}^1$

素因数の和:8198

約数の個数: 32

約数和(自身を含む): 42311808

約数和(自身を除く): 20946310

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8161, 16322, 57127, 89771, 114254, 138737, 179542, 277474, 628397, 971159, 1256794, 1526107, 1942318, 3052214, 10682749, 21365498]

約数ペア:

[(1, 21365498), (2, 10682749), (7, 3052214), (11, 1942318), (14, 1526107), (17, 1256794), (22, 971159), (34, 628397), (77, 277474), (119, 179542), (154, 138737), (187, 114254), (238, 89771), (374, 57127), (1309, 16322), (2618, 8161)]