21201651840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107209}}^1$

素因数の和:107334

約数の個数: 128

約数和(自身を含む): 68237020800

約数和(自身を除く): 47035368960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 206, 240, 309, 320, 384, 412, 480, 515, 618, 640, 824, 960, 1030, 1236, 1545, 1648, 1920, 2060, 2472, 3090, 3296, 4120, 4944, 6180, 6592, 8240, 9888, 12360, 13184, 16480, 19776, 24720, 32960, 39552, 49440, 65920, 98880, 107209, 197760, 214418, 321627, 428836, 536045, 643254, 857672, 1072090, 1286508, 1608135, 1715344, 2144180, 2573016, 3216270, 3430688, 4288360, 5146032, 6432540, 6861376, 8576720, 10292064, 11042527, 12865080, 13722752, 17153440, 20584128, 22085054, 25730160, 33127581, 34306880, 41168256, 44170108, 51460320, 55212635, 66255162, 68613760, 88340216, 102920640, 110425270, 132510324, 165637905, 176680432, 205841280, 220850540, 265020648, 331275810, 353360864, 441701080, 530041296, 662551620, 706721728, 883402160, 1060082592, 1325103240, 1413443456, 1766804320, 2120165184, 2650206480, 3533608640, 4240330368, 5300412960, 7067217280, 10600825920, 21201651840]

約数ペア:

[(1, 21201651840), (2, 10600825920), (3, 7067217280), (4, 5300412960), (5, 4240330368), (6, 3533608640), (8, 2650206480), (10, 2120165184), (12, 1766804320), (15, 1413443456), (16, 1325103240), (20, 1060082592), (24, 883402160), (30, 706721728), (32, 662551620), (40, 530041296), (48, 441701080), (60, 353360864), (64, 331275810), (80, 265020648), (96, 220850540), (103, 205841280), (120, 176680432), (128, 165637905), (160, 132510324), (192, 110425270), (206, 102920640), (240, 88340216), (309, 68613760), (320, 66255162), (384, 55212635), (412, 51460320), (480, 44170108), (515, 41168256), (618, 34306880), (640, 33127581), (824, 25730160), (960, 22085054), (1030, 20584128), (1236, 17153440), (1545, 13722752), (1648, 12865080), (1920, 11042527), (2060, 10292064), (2472, 8576720), (3090, 6861376), (3296, 6432540), (4120, 5146032), (4944, 4288360), (6180, 3430688), (6592, 3216270), (8240, 2573016), (9888, 2144180), (12360, 1715344), (13184, 1608135), (16480, 1286508), (19776, 1072090), (24720, 857672), (32960, 643254), (39552, 536045), (49440, 428836), (65920, 321627), (98880, 214418), (107209, 197760)]