21000435450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1021919}}^1$

素因数の和:1022071

約数の個数: 48

約数和(自身を含む): 52461285120

約数和(自身を除く): 31460849670

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 1370, 2055, 3425, 4110, 6850, 10275, 20550, 1021919, 2043838, 3065757, 5109595, 6131514, 10219190, 15328785, 25547975, 30657570, 51095950, 76643925, 140002903, 153287850, 280005806, 420008709, 700014515, 840017418, 1400029030, 2100043545, 3500072575, 4200087090, 7000145150, 10500217725, 21000435450]

約数ペア:

[(1, 21000435450), (2, 10500217725), (3, 7000145150), (5, 4200087090), (6, 3500072575), (10, 2100043545), (15, 1400029030), (25, 840017418), (30, 700014515), (50, 420008709), (75, 280005806), (137, 153287850), (150, 140002903), (274, 76643925), (411, 51095950), (685, 30657570), (822, 25547975), (1370, 15328785), (2055, 10219190), (3425, 6131514), (4110, 5109595), (6850, 3065757), (10275, 2043838), (20550, 1021919)]