21535200

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 77963760

約数和(自身を除く): 56428560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 997, 1080, 1200, 1350, 1440, 1800, 1994, 2160, 2400, 2700, 2991, 3600, 3988, 4320, 4985, 5400, 5982, 7200, 7976, 8973, 9970, 10800, 11964, 14955, 15952, 17946, 19940, 21600, 23928, 24925, 26919, 29910, 31904, 35892, 39880, 44865, 47856, 49850, 53838, 59820, 71784, 74775, 79760, 89730, 95712, 99700, 107676, 119640, 134595, 143568, 149550, 159520, 179460, 199400, 215352, 224325, 239280, 269190, 287136, 299100, 358920, 398800, 430704, 448650, 478560, 538380, 598200, 672975, 717840, 797600, 861408, 897300, 1076760, 1196400, 1345950, 1435680, 1794600, 2153520, 2392800, 2691900, 3589200, 4307040, 5383800, 7178400, 10767600, 21535200]

約数ペア:

[(1, 21535200), (2, 10767600), (3, 7178400), (4, 5383800), (5, 4307040), (6, 3589200), (8, 2691900), (9, 2392800), (10, 2153520), (12, 1794600), (15, 1435680), (16, 1345950), (18, 1196400), (20, 1076760), (24, 897300), (25, 861408), (27, 797600), (30, 717840), (32, 672975), (36, 598200), (40, 538380), (45, 478560), (48, 448650), (50, 430704), (54, 398800), (60, 358920), (72, 299100), (75, 287136), (80, 269190), (90, 239280), (96, 224325), (100, 215352), (108, 199400), (120, 179460), (135, 159520), (144, 149550), (150, 143568), (160, 134595), (180, 119640), (200, 107676), (216, 99700), (225, 95712), (240, 89730), (270, 79760), (288, 74775), (300, 71784), (360, 59820), (400, 53838), (432, 49850), (450, 47856), (480, 44865), (540, 39880), (600, 35892), (675, 31904), (720, 29910), (800, 26919), (864, 24925), (900, 23928), (997, 21600), (1080, 19940), (1200, 17946), (1350, 15952), (1440, 14955), (1800, 11964), (1994, 10800), (2160, 9970), (2400, 8973), (2700, 7976), (2991, 7200), (3600, 5982), (3988, 5400), (4320, 4985)]