21180960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4903}}^1$

素因数の和:4927

約数の個数: 96

約数和(自身を含む): 74148480

約数和(自身を除く): 52967520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4903, 9806, 14709, 19612, 24515, 29418, 39224, 44127, 49030, 58836, 73545, 78448, 88254, 98060, 117672, 132381, 147090, 156896, 176508, 196120, 220635, 235344, 264762, 294180, 353016, 392240, 441270, 470688, 529524, 588360, 661905, 706032, 784480, 882540, 1059048, 1176720, 1323810, 1412064, 1765080, 2118096, 2353440, 2647620, 3530160, 4236192, 5295240, 7060320, 10590480, 21180960]

約数ペア:

[(1, 21180960), (2, 10590480), (3, 7060320), (4, 5295240), (5, 4236192), (6, 3530160), (8, 2647620), (9, 2353440), (10, 2118096), (12, 1765080), (15, 1412064), (16, 1323810), (18, 1176720), (20, 1059048), (24, 882540), (27, 784480), (30, 706032), (32, 661905), (36, 588360), (40, 529524), (45, 470688), (48, 441270), (54, 392240), (60, 353016), (72, 294180), (80, 264762), (90, 235344), (96, 220635), (108, 196120), (120, 176508), (135, 156896), (144, 147090), (160, 132381), (180, 117672), (216, 98060), (240, 88254), (270, 78448), (288, 73545), (360, 58836), (432, 49030), (480, 44127), (540, 39224), (720, 29418), (864, 24515), (1080, 19612), (1440, 14709), (2160, 9806), (4320, 4903)]