20212225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 27775008

約数和(自身を除く): 7562783

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 1097, 1675, 3685, 5485, 12067, 18425, 27425, 60335, 73499, 301675, 367495, 808489, 1837475, 4042445, 20212225]

約数ペア:

[(1, 20212225), (5, 4042445), (11, 1837475), (25, 808489), (55, 367495), (67, 301675), (275, 73499), (335, 60335), (737, 27425), (1097, 18425), (1675, 12067), (3685, 5485)]