21500545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1753}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 28288512

約数和(自身を除く): 6787967

約数列:

[1, 5, 11, 55, 223, 1115, 1753, 2453, 8765, 12265, 19283, 96415, 390919, 1954595, 4300109, 21500545]

約数ペア:

[(1, 21500545), (5, 4300109), (11, 1954595), (55, 390919), (223, 96415), (1115, 19283), (1753, 12265), (2453, 8765)]