21351714720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{907811}}^1$

素因数の和:907843

約数の個数: 144

約数和(自身を含む): 78238869408

約数和(自身を除く): 56887154688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 907811, 1815622, 2723433, 3631244, 4539055, 5446866, 6354677, 7262488, 9078110, 10893732, 12709354, 13617165, 14524976, 18156220, 19064031, 21787464, 25418708, 27234330, 29049952, 31773385, 36312440, 38128062, 43574928, 44482739, 50837416, 54468660, 63546770, 72624880, 76256124, 87149856, 88965478, 95320155, 101674832, 108937320, 127093540, 133448217, 145249760, 152512248, 177930956, 190640310, 203349664, 217874640, 222413695, 254187080, 266896434, 305024496, 355861912, 381280620, 435749280, 444827390, 508374160, 533792868, 610048992, 667241085, 711723824, 762561240, 889654780, 1016748320, 1067585736, 1334482170, 1423447648, 1525122480, 1779309560, 2135171472, 2668964340, 3050244960, 3558619120, 4270342944, 5337928680, 7117238240, 10675857360, 21351714720]

約数ペア:

[(1, 21351714720), (2, 10675857360), (3, 7117238240), (4, 5337928680), (5, 4270342944), (6, 3558619120), (7, 3050244960), (8, 2668964340), (10, 2135171472), (12, 1779309560), (14, 1525122480), (15, 1423447648), (16, 1334482170), (20, 1067585736), (21, 1016748320), (24, 889654780), (28, 762561240), (30, 711723824), (32, 667241085), (35, 610048992), (40, 533792868), (42, 508374160), (48, 444827390), (49, 435749280), (56, 381280620), (60, 355861912), (70, 305024496), (80, 266896434), (84, 254187080), (96, 222413695), (98, 217874640), (105, 203349664), (112, 190640310), (120, 177930956), (140, 152512248), (147, 145249760), (160, 133448217), (168, 127093540), (196, 108937320), (210, 101674832), (224, 95320155), (240, 88965478), (245, 87149856), (280, 76256124), (294, 72624880), (336, 63546770), (392, 54468660), (420, 50837416), (480, 44482739), (490, 43574928), (560, 38128062), (588, 36312440), (672, 31773385), (735, 29049952), (784, 27234330), (840, 25418708), (980, 21787464), (1120, 19064031), (1176, 18156220), (1470, 14524976), (1568, 13617165), (1680, 12709354), (1960, 10893732), (2352, 9078110), (2940, 7262488), (3360, 6354677), (3920, 5446866), (4704, 4539055), (5880, 3631244), (7840, 2723433), (11760, 1815622), (23520, 907811)]