21628350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 61350240

約数和(自身を除く): 39721890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 90, 111, 135, 150, 185, 222, 225, 270, 333, 370, 433, 450, 555, 666, 675, 866, 925, 999, 1110, 1299, 1350, 1665, 1850, 1998, 2165, 2598, 2775, 3330, 3897, 4330, 4995, 5550, 6495, 7794, 8325, 9990, 10825, 11691, 12990, 16021, 16650, 19485, 21650, 23382, 24975, 32042, 32475, 38970, 48063, 49950, 58455, 64950, 80105, 96126, 97425, 116910, 144189, 160210, 194850, 240315, 288378, 292275, 400525, 432567, 480630, 584550, 720945, 801050, 865134, 1201575, 1441890, 2162835, 2403150, 3604725, 4325670, 7209450, 10814175, 21628350]

約数ペア:

[(1, 21628350), (2, 10814175), (3, 7209450), (5, 4325670), (6, 3604725), (9, 2403150), (10, 2162835), (15, 1441890), (18, 1201575), (25, 865134), (27, 801050), (30, 720945), (37, 584550), (45, 480630), (50, 432567), (54, 400525), (74, 292275), (75, 288378), (90, 240315), (111, 194850), (135, 160210), (150, 144189), (185, 116910), (222, 97425), (225, 96126), (270, 80105), (333, 64950), (370, 58455), (433, 49950), (450, 48063), (555, 38970), (666, 32475), (675, 32042), (866, 24975), (925, 23382), (999, 21650), (1110, 19485), (1299, 16650), (1350, 16021), (1665, 12990), (1850, 11691), (1998, 10825), (2165, 9990), (2598, 8325), (2775, 7794), (3330, 6495), (3897, 5550), (4330, 4995)]