21198000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3533}}^1$

素因数の和:3559

約数の個数: 80

約数和(自身を含む): 68361696

約数和(自身を除く): 47163696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3533, 6000, 7066, 10599, 14132, 17665, 21198, 28264, 35330, 42396, 52995, 56528, 70660, 84792, 88325, 105990, 141320, 169584, 176650, 211980, 264975, 282640, 353300, 423960, 441625, 529950, 706600, 847920, 883250, 1059900, 1324875, 1413200, 1766500, 2119800, 2649750, 3533000, 4239600, 5299500, 7066000, 10599000, 21198000]

約数ペア:

[(1, 21198000), (2, 10599000), (3, 7066000), (4, 5299500), (5, 4239600), (6, 3533000), (8, 2649750), (10, 2119800), (12, 1766500), (15, 1413200), (16, 1324875), (20, 1059900), (24, 883250), (25, 847920), (30, 706600), (40, 529950), (48, 441625), (50, 423960), (60, 353300), (75, 282640), (80, 264975), (100, 211980), (120, 176650), (125, 169584), (150, 141320), (200, 105990), (240, 88325), (250, 84792), (300, 70660), (375, 56528), (400, 52995), (500, 42396), (600, 35330), (750, 28264), (1000, 21198), (1200, 17665), (1500, 14132), (2000, 10599), (3000, 7066), (3533, 6000)]