21484250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4559

約数の個数: 32

約数和(自身を含む): 42344640

約数和(自身を除く): 20860390

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4523, 4750, 9046, 22615, 45230, 85937, 113075, 171874, 226150, 429685, 565375, 859370, 1130750, 2148425, 4296850, 10742125, 21484250]

約数ペア:

[(1, 21484250), (2, 10742125), (5, 4296850), (10, 2148425), (19, 1130750), (25, 859370), (38, 565375), (50, 429685), (95, 226150), (125, 171874), (190, 113075), (250, 85937), (475, 45230), (950, 22615), (2375, 9046), (4523, 4750)]