21993000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7331}}^1$

素因数の和:7355

約数の個数: 64

約数和(自身を含む): 68627520

約数和(自身を除く): 46634520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 7331, 14662, 21993, 29324, 36655, 43986, 58648, 73310, 87972, 109965, 146620, 175944, 183275, 219930, 293240, 366550, 439860, 549825, 733100, 879720, 916375, 1099650, 1466200, 1832750, 2199300, 2749125, 3665500, 4398600, 5498250, 7331000, 10996500, 21993000]

約数ペア:

[(1, 21993000), (2, 10996500), (3, 7331000), (4, 5498250), (5, 4398600), (6, 3665500), (8, 2749125), (10, 2199300), (12, 1832750), (15, 1466200), (20, 1099650), (24, 916375), (25, 879720), (30, 733100), (40, 549825), (50, 439860), (60, 366550), (75, 293240), (100, 219930), (120, 183275), (125, 175944), (150, 146620), (200, 109965), (250, 87972), (300, 73310), (375, 58648), (500, 43986), (600, 36655), (750, 29324), (1000, 21993), (1500, 14662), (3000, 7331)]