21179520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3677}}^1$

素因数の和:3702

約数の個数: 96

約数和(自身を含む): 73155420

約数和(自身を除く): 51975900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3677, 5760, 7354, 11031, 14708, 18385, 22062, 29416, 33093, 36770, 44124, 55155, 58832, 66186, 73540, 88248, 110310, 117664, 132372, 147080, 165465, 176496, 220620, 235328, 264744, 294160, 330930, 352992, 441240, 470656, 529488, 588320, 661860, 705984, 882480, 1058976, 1176640, 1323720, 1411968, 1764960, 2117952, 2353280, 2647440, 3529920, 4235904, 5294880, 7059840, 10589760, 21179520]

約数ペア:

[(1, 21179520), (2, 10589760), (3, 7059840), (4, 5294880), (5, 4235904), (6, 3529920), (8, 2647440), (9, 2353280), (10, 2117952), (12, 1764960), (15, 1411968), (16, 1323720), (18, 1176640), (20, 1058976), (24, 882480), (30, 705984), (32, 661860), (36, 588320), (40, 529488), (45, 470656), (48, 441240), (60, 352992), (64, 330930), (72, 294160), (80, 264744), (90, 235328), (96, 220620), (120, 176496), (128, 165465), (144, 147080), (160, 132372), (180, 117664), (192, 110310), (240, 88248), (288, 73540), (320, 66186), (360, 58832), (384, 55155), (480, 44124), (576, 36770), (640, 33093), (720, 29416), (960, 22062), (1152, 18385), (1440, 14708), (1920, 11031), (2880, 7354), (3677, 5760)]