21327600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2567

約数の個数: 120

約数和(自身を含む): 78110080

約数和(自身を除く): 56782480

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, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2539, 2800, 4200, 5078, 7617, 8400, 10156, 12695, 15234, 17773, 20312, 25390, 30468, 35546, 38085, 40624, 50780, 53319, 60936, 63475, 71092, 76170, 88865, 101560, 106638, 121872, 126950, 142184, 152340, 177730, 190425, 203120, 213276, 253900, 266595, 284368, 304680, 355460, 380850, 426552, 444325, 507800, 533190, 609360, 710920, 761700, 853104, 888650, 1015600, 1066380, 1332975, 1421840, 1523400, 1777300, 2132760, 2665950, 3046800, 3554600, 4265520, 5331900, 7109200, 10663800, 21327600]

約数ペア:

[(1, 21327600), (2, 10663800), (3, 7109200), (4, 5331900), (5, 4265520), (6, 3554600), (7, 3046800), (8, 2665950), (10, 2132760), (12, 1777300), (14, 1523400), (15, 1421840), (16, 1332975), (20, 1066380), (21, 1015600), (24, 888650), (25, 853104), (28, 761700), (30, 710920), (35, 609360), (40, 533190), (42, 507800), (48, 444325), (50, 426552), (56, 380850), (60, 355460), (70, 304680), (75, 284368), (80, 266595), (84, 253900), (100, 213276), (105, 203120), (112, 190425), (120, 177730), (140, 152340), (150, 142184), (168, 126950), (175, 121872), (200, 106638), (210, 101560), (240, 88865), (280, 76170), (300, 71092), (336, 63475), (350, 60936), (400, 53319), (420, 50780), (525, 40624), (560, 38085), (600, 35546), (700, 30468), (840, 25390), (1050, 20312), (1200, 17773), (1400, 15234), (1680, 12695), (2100, 10156), (2539, 8400), (2800, 7617), (4200, 5078)]