21683925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5669}}^1$

素因数の和:5702

約数の個数: 36

約数和(自身を含む): 41130180

約数和(自身を除く): 19446255

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5669, 17007, 28345, 51021, 85035, 96373, 141725, 255105, 289119, 425175, 481865, 867357, 1275525, 1445595, 2409325, 4336785, 7227975, 21683925]

約数ペア:

[(1, 21683925), (3, 7227975), (5, 4336785), (9, 2409325), (15, 1445595), (17, 1275525), (25, 867357), (45, 481865), (51, 425175), (75, 289119), (85, 255105), (153, 141725), (225, 96373), (255, 85035), (425, 51021), (765, 28345), (1275, 17007), (3825, 5669)]