21002400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2917}}^1$

素因数の和:2943

約数の個数: 108

約数和(自身を含む): 74085102

約数和(自身を除く): 53082702

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2917, 3600, 5834, 7200, 8751, 11668, 14585, 17502, 23336, 26253, 29170, 35004, 43755, 46672, 52506, 58340, 70008, 72925, 87510, 93344, 105012, 116680, 131265, 140016, 145850, 175020, 210024, 218775, 233360, 262530, 280032, 291700, 350040, 420048, 437550, 466720, 525060, 583400, 656325, 700080, 840096, 875100, 1050120, 1166800, 1312650, 1400160, 1750200, 2100240, 2333600, 2625300, 3500400, 4200480, 5250600, 7000800, 10501200, 21002400]

約数ペア:

[(1, 21002400), (2, 10501200), (3, 7000800), (4, 5250600), (5, 4200480), (6, 3500400), (8, 2625300), (9, 2333600), (10, 2100240), (12, 1750200), (15, 1400160), (16, 1312650), (18, 1166800), (20, 1050120), (24, 875100), (25, 840096), (30, 700080), (32, 656325), (36, 583400), (40, 525060), (45, 466720), (48, 437550), (50, 420048), (60, 350040), (72, 291700), (75, 280032), (80, 262530), (90, 233360), (96, 218775), (100, 210024), (120, 175020), (144, 145850), (150, 140016), (160, 131265), (180, 116680), (200, 105012), (225, 93344), (240, 87510), (288, 72925), (300, 70008), (360, 58340), (400, 52506), (450, 46672), (480, 43755), (600, 35004), (720, 29170), (800, 26253), (900, 23336), (1200, 17502), (1440, 14585), (1800, 11668), (2400, 8751), (2917, 7200), (3600, 5834)]