21933373

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 27449856

約数和(自身を除く): 5516483

約数列:

[1, 7, 11, 77, 443, 643, 3101, 4501, 4873, 7073, 34111, 49511, 284849, 1993943, 3133339, 21933373]

約数ペア:

[(1, 21933373), (7, 3133339), (11, 1993943), (77, 284849), (443, 49511), (643, 34111), (3101, 7073), (4501, 4873)]