21238500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{14159}}^1$

素因数の和:14181

約数の個数: 48

約数和(自身を含む): 61850880

約数和(自身を除く): 40612380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 14159, 28318, 42477, 56636, 70795, 84954, 141590, 169908, 212385, 283180, 353975, 424770, 707950, 849540, 1061925, 1415900, 1769875, 2123850, 3539750, 4247700, 5309625, 7079500, 10619250, 21238500]

約数ペア:

[(1, 21238500), (2, 10619250), (3, 7079500), (4, 5309625), (5, 4247700), (6, 3539750), (10, 2123850), (12, 1769875), (15, 1415900), (20, 1061925), (25, 849540), (30, 707950), (50, 424770), (60, 353975), (75, 283180), (100, 212385), (125, 169908), (150, 141590), (250, 84954), (300, 70795), (375, 56636), (500, 42477), (750, 28318), (1500, 14159)]