21524400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1993}}^1$

素因数の和:2020

約数の個数: 120

約数和(自身を含む): 76649360

約数和(自身を除く): 55124960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1993, 2160, 2700, 3600, 3986, 5400, 5979, 7972, 9965, 10800, 11958, 15944, 17937, 19930, 23916, 29895, 31888, 35874, 39860, 47832, 49825, 53811, 59790, 71748, 79720, 89685, 95664, 99650, 107622, 119580, 143496, 149475, 159440, 179370, 199300, 215244, 239160, 269055, 286992, 298950, 358740, 398600, 430488, 448425, 478320, 538110, 597900, 717480, 797200, 860976, 896850, 1076220, 1195800, 1345275, 1434960, 1793700, 2152440, 2391600, 2690550, 3587400, 4304880, 5381100, 7174800, 10762200, 21524400]

約数ペア:

[(1, 21524400), (2, 10762200), (3, 7174800), (4, 5381100), (5, 4304880), (6, 3587400), (8, 2690550), (9, 2391600), (10, 2152440), (12, 1793700), (15, 1434960), (16, 1345275), (18, 1195800), (20, 1076220), (24, 896850), (25, 860976), (27, 797200), (30, 717480), (36, 597900), (40, 538110), (45, 478320), (48, 448425), (50, 430488), (54, 398600), (60, 358740), (72, 298950), (75, 286992), (80, 269055), (90, 239160), (100, 215244), (108, 199300), (120, 179370), (135, 159440), (144, 149475), (150, 143496), (180, 119580), (200, 107622), (216, 99650), (225, 95664), (240, 89685), (270, 79720), (300, 71748), (360, 59790), (400, 53811), (432, 49825), (450, 47832), (540, 39860), (600, 35874), (675, 31888), (720, 29895), (900, 23916), (1080, 19930), (1200, 17937), (1350, 15944), (1800, 11958), (1993, 10800), (2160, 9965), (2700, 7972), (3600, 5979), (3986, 5400)]