21496636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45161}}^1$

素因数の和:45189

約数の個数: 24

約数和(自身を含む): 45523296

約数和(自身を除く): 24026660

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45161, 90322, 180644, 316127, 632254, 767737, 1264508, 1535474, 3070948, 5374159, 10748318, 21496636]

約数ペア:

[(1, 21496636), (2, 10748318), (4, 5374159), (7, 3070948), (14, 1535474), (17, 1264508), (28, 767737), (34, 632254), (68, 316127), (119, 180644), (238, 90322), (476, 45161)]