21444000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{1787}}^1$

素因数の和:1815

約数の個数: 96

約数和(自身を含む): 70289856

約数和(自身を除く): 48845856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 1787, 2000, 2400, 3000, 3574, 4000, 5361, 6000, 7148, 8935, 10722, 12000, 14296, 17870, 21444, 26805, 28592, 35740, 42888, 44675, 53610, 57184, 71480, 85776, 89350, 107220, 134025, 142960, 171552, 178700, 214440, 223375, 268050, 285920, 357400, 428880, 446750, 536100, 670125, 714800, 857760, 893500, 1072200, 1340250, 1429600, 1787000, 2144400, 2680500, 3574000, 4288800, 5361000, 7148000, 10722000, 21444000]

約数ペア:

[(1, 21444000), (2, 10722000), (3, 7148000), (4, 5361000), (5, 4288800), (6, 3574000), (8, 2680500), (10, 2144400), (12, 1787000), (15, 1429600), (16, 1340250), (20, 1072200), (24, 893500), (25, 857760), (30, 714800), (32, 670125), (40, 536100), (48, 446750), (50, 428880), (60, 357400), (75, 285920), (80, 268050), (96, 223375), (100, 214440), (120, 178700), (125, 171552), (150, 142960), (160, 134025), (200, 107220), (240, 89350), (250, 85776), (300, 71480), (375, 57184), (400, 53610), (480, 44675), (500, 42888), (600, 35740), (750, 28592), (800, 26805), (1000, 21444), (1200, 17870), (1500, 14296), (1787, 12000), (2000, 10722), (2400, 8935), (3000, 7148), (3574, 6000), (4000, 5361)]