21105890400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1256303}}^1$

素因数の和:1256333

約数の個数: 144

約数和(自身を含む): 78513974784

約数和(自身を除く): 57408084384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 5600, 8400, 16800, 1256303, 2512606, 3768909, 5025212, 6281515, 7537818, 8794121, 10050424, 12563030, 15075636, 17588242, 18844545, 20100848, 25126060, 26382363, 30151272, 31407575, 35176484, 37689090, 40201696, 43970605, 50252120, 52764726, 60302544, 62815150, 70352968, 75378180, 87941210, 94222725, 100504240, 105529452, 120605088, 125630300, 131911815, 140705936, 150756360, 175882420, 188445450, 201008480, 211058904, 219853025, 251260600, 263823630, 281411872, 301512720, 351764840, 376890900, 422117808, 439706050, 502521200, 527647260, 603025440, 659559075, 703529680, 753781800, 844235616, 879412100, 1005042400, 1055294520, 1319118150, 1407059360, 1507563600, 1758824200, 2110589040, 2638236300, 3015127200, 3517648400, 4221178080, 5276472600, 7035296800, 10552945200, 21105890400]

約数ペア:

[(1, 21105890400), (2, 10552945200), (3, 7035296800), (4, 5276472600), (5, 4221178080), (6, 3517648400), (7, 3015127200), (8, 2638236300), (10, 2110589040), (12, 1758824200), (14, 1507563600), (15, 1407059360), (16, 1319118150), (20, 1055294520), (21, 1005042400), (24, 879412100), (25, 844235616), (28, 753781800), (30, 703529680), (32, 659559075), (35, 603025440), (40, 527647260), (42, 502521200), (48, 439706050), (50, 422117808), (56, 376890900), (60, 351764840), (70, 301512720), (75, 281411872), (80, 263823630), (84, 251260600), (96, 219853025), (100, 211058904), (105, 201008480), (112, 188445450), (120, 175882420), (140, 150756360), (150, 140705936), (160, 131911815), (168, 125630300), (175, 120605088), (200, 105529452), (210, 100504240), (224, 94222725), (240, 87941210), (280, 75378180), (300, 70352968), (336, 62815150), (350, 60302544), (400, 52764726), (420, 50252120), (480, 43970605), (525, 40201696), (560, 37689090), (600, 35176484), (672, 31407575), (700, 30151272), (800, 26382363), (840, 25126060), (1050, 20100848), (1120, 18844545), (1200, 17588242), (1400, 15075636), (1680, 12563030), (2100, 10050424), (2400, 8794121), (2800, 7537818), (3360, 6281515), (4200, 5025212), (5600, 3768909), (8400, 2512606), (16800, 1256303)]