21131374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56501}}^1$

素因数の和:56531

約数の個数: 16

約数和(自身を含む): 36613296

約数和(自身を除く): 15481922

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56501, 113002, 621511, 960517, 1243022, 1921034, 10565687, 21131374]

約数ペア:

[(1, 21131374), (2, 10565687), (11, 1921034), (17, 1243022), (22, 960517), (34, 621511), (187, 113002), (374, 56501)]