About the Number

21982800

21982799 ← → 21982801

2進数表記:1010011110110111001010000

漢数字表記:二千百九十八万二千八百

素因数分解:

2 4 × 3 1 × 5 2 × 7 1 × 2617 1

素因数の和:2645
約数の個数: 120
約数和(自身を含む): 80508736
約数和(自身を除く): 58525936

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, 2617, 2800, 4200, 5234, 7851, 8400, 10468, 13085, 15702, 18319, 20936, 26170, 31404, 36638, 39255, 41872, 52340, 54957, 62808, 65425, 73276, 78510, 91595, 104680, 109914, 125616, 130850, 146552, 157020, 183190, 196275, 209360, 219828, 261700, 274785, 293104, 314040, 366380, 392550, 439656, 457975, 523400, 549570, 628080, 732760, 785100, 879312, 915950, 1046800, 1099140, 1373925, 1465520, 1570200, 1831900, 2198280, 2747850, 3140400, 3663800, 4396560, 5495700, 7327600, 10991400, 21982800]

約数ペア:
[(1, 21982800), (2, 10991400), (3, 7327600), (4, 5495700), (5, 4396560), (6, 3663800), (7, 3140400), (8, 2747850), (10, 2198280), (12, 1831900), (14, 1570200), (15, 1465520), (16, 1373925), (20, 1099140), (21, 1046800), (24, 915950), (25, 879312), (28, 785100), (30, 732760), (35, 628080), (40, 549570), (42, 523400), (48, 457975), (50, 439656), (56, 392550), (60, 366380), (70, 314040), (75, 293104), (80, 274785), (84, 261700), (100, 219828), (105, 209360), (112, 196275), (120, 183190), (140, 157020), (150, 146552), (168, 130850), (175, 125616), (200, 109914), (210, 104680), (240, 91595), (280, 78510), (300, 73276), (336, 65425), (350, 62808), (400, 54957), (420, 52340), (525, 41872), (560, 39255), (600, 36638), (700, 31404), (840, 26170), (1050, 20936), (1200, 18319), (1400, 15702), (1680, 13085), (2100, 10468), (2617, 8400), (2800, 7851), (4200, 5234)]

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