21117734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8971}}^1$

素因数の和:9091

約数の個数: 16

約数和(自身を含む): 34883136

約数和(自身を除く): 13765402

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8971, 17942, 98681, 197362, 959897, 1919794, 10558867, 21117734]

約数ペア:

[(1, 21117734), (2, 10558867), (11, 1919794), (22, 959897), (107, 197362), (214, 98681), (1177, 17942), (2354, 8971)]