21126000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{503}}^1$

素因数の和:536

約数の個数: 160

約数和(自身を含む): 77995008

約数和(自身を除く): 56869008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 503, 525, 560, 600, 700, 750, 840, 875, 1000, 1006, 1050, 1200, 1400, 1500, 1509, 1680, 1750, 2000, 2012, 2100, 2515, 2625, 2800, 3000, 3018, 3500, 3521, 4024, 4200, 5030, 5250, 6000, 6036, 7000, 7042, 7545, 8048, 8400, 10060, 10500, 10563, 12072, 12575, 14000, 14084, 15090, 17605, 20120, 21000, 21126, 24144, 25150, 28168, 30180, 35210, 37725, 40240, 42000, 42252, 50300, 52815, 56336, 60360, 62875, 70420, 75450, 84504, 88025, 100600, 105630, 120720, 125750, 140840, 150900, 169008, 176050, 188625, 201200, 211260, 251500, 264075, 281680, 301800, 352100, 377250, 422520, 440125, 503000, 528150, 603600, 704200, 754500, 845040, 880250, 1006000, 1056300, 1320375, 1408400, 1509000, 1760500, 2112600, 2640750, 3018000, 3521000, 4225200, 5281500, 7042000, 10563000, 21126000]

約数ペア:

[(1, 21126000), (2, 10563000), (3, 7042000), (4, 5281500), (5, 4225200), (6, 3521000), (7, 3018000), (8, 2640750), (10, 2112600), (12, 1760500), (14, 1509000), (15, 1408400), (16, 1320375), (20, 1056300), (21, 1006000), (24, 880250), (25, 845040), (28, 754500), (30, 704200), (35, 603600), (40, 528150), (42, 503000), (48, 440125), (50, 422520), (56, 377250), (60, 352100), (70, 301800), (75, 281680), (80, 264075), (84, 251500), (100, 211260), (105, 201200), (112, 188625), (120, 176050), (125, 169008), (140, 150900), (150, 140840), (168, 125750), (175, 120720), (200, 105630), (210, 100600), (240, 88025), (250, 84504), (280, 75450), (300, 70420), (336, 62875), (350, 60360), (375, 56336), (400, 52815), (420, 50300), (500, 42252), (503, 42000), (525, 40240), (560, 37725), (600, 35210), (700, 30180), (750, 28168), (840, 25150), (875, 24144), (1000, 21126), (1006, 21000), (1050, 20120), (1200, 17605), (1400, 15090), (1500, 14084), (1509, 14000), (1680, 12575), (1750, 12072), (2000, 10563), (2012, 10500), (2100, 10060), (2515, 8400), (2625, 8048), (2800, 7545), (3000, 7042), (3018, 7000), (3500, 6036), (3521, 6000), (4024, 5250), (4200, 5030)]