21179794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5209}}^1$

素因数の和:5337

約数の個数: 16

約数和(自身を含む): 33760800

約数和(自身を除く): 12581006

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 5209, 10418, 98971, 197942, 557363, 1114726, 10589897, 21179794]

約数ペア:

[(1, 21179794), (2, 10589897), (19, 1114726), (38, 557363), (107, 197942), (214, 98971), (2033, 10418), (4066, 5209)]