21384250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3719}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 20398790

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3719, 5750, 7438, 18595, 37190, 85537, 92975, 171074, 185950, 427685, 464875, 855370, 929750, 2138425, 4276850, 10692125, 21384250]

約数ペア:

[(1, 21384250), (2, 10692125), (5, 4276850), (10, 2138425), (23, 929750), (25, 855370), (46, 464875), (50, 427685), (115, 185950), (125, 171074), (230, 92975), (250, 85537), (575, 37190), (1150, 18595), (2875, 7438), (3719, 5750)]