21327840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4937}}^1$

素因数の和:4961

約数の個数: 96

約数和(自身を含む): 74662560

約数和(自身を除く): 53334720

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, 4937, 9874, 14811, 19748, 24685, 29622, 39496, 44433, 49370, 59244, 74055, 78992, 88866, 98740, 118488, 133299, 148110, 157984, 177732, 197480, 222165, 236976, 266598, 296220, 355464, 394960, 444330, 473952, 533196, 592440, 666495, 710928, 789920, 888660, 1066392, 1184880, 1332990, 1421856, 1777320, 2132784, 2369760, 2665980, 3554640, 4265568, 5331960, 7109280, 10663920, 21327840]

約数ペア:

[(1, 21327840), (2, 10663920), (3, 7109280), (4, 5331960), (5, 4265568), (6, 3554640), (8, 2665980), (9, 2369760), (10, 2132784), (12, 1777320), (15, 1421856), (16, 1332990), (18, 1184880), (20, 1066392), (24, 888660), (27, 789920), (30, 710928), (32, 666495), (36, 592440), (40, 533196), (45, 473952), (48, 444330), (54, 394960), (60, 355464), (72, 296220), (80, 266598), (90, 236976), (96, 222165), (108, 197480), (120, 177732), (135, 157984), (144, 148110), (160, 133299), (180, 118488), (216, 98740), (240, 88866), (270, 78992), (288, 74055), (360, 59244), (432, 49370), (480, 44433), (540, 39496), (720, 29622), (864, 24685), (1080, 19748), (1440, 14811), (2160, 9874), (4320, 4937)]