21212071320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1753}}^1$

素因数の和:1970

約数の個数: 256

約数和(自身を含む): 70923340800

約数和(自身を除く): 49711269480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 89, 103, 110, 120, 132, 165, 178, 206, 220, 264, 267, 309, 330, 356, 412, 440, 445, 515, 534, 618, 660, 712, 824, 890, 979, 1030, 1068, 1133, 1236, 1320, 1335, 1545, 1753, 1780, 1958, 2060, 2136, 2266, 2472, 2670, 2937, 3090, 3399, 3506, 3560, 3916, 4120, 4532, 4895, 5259, 5340, 5665, 5874, 6180, 6798, 7012, 7832, 8765, 9064, 9167, 9790, 10518, 10680, 11330, 11748, 12360, 13596, 14024, 14685, 16995, 17530, 18334, 19283, 19580, 21036, 22660, 23496, 26295, 27192, 27501, 29370, 33990, 35060, 36668, 38566, 39160, 42072, 45320, 45835, 52590, 55002, 57849, 58740, 67980, 70120, 73336, 77132, 91670, 96415, 100837, 105180, 110004, 115698, 117480, 135960, 137505, 154264, 156017, 180559, 183340, 192830, 201674, 210360, 220008, 231396, 275010, 289245, 302511, 312034, 361118, 366680, 385660, 403348, 462792, 468051, 504185, 541677, 550020, 578490, 605022, 624068, 722236, 771320, 780085, 806696, 902795, 936102, 1008370, 1083354, 1100040, 1156980, 1210044, 1248136, 1444472, 1512555, 1560170, 1716187, 1805590, 1872204, 1986149, 2016740, 2166708, 2313960, 2340255, 2420088, 2708385, 3025110, 3120340, 3432374, 3611180, 3744408, 3972298, 4033480, 4333416, 4680510, 5148561, 5416770, 5958447, 6050220, 6240680, 6864748, 7222360, 7944596, 8580935, 9361020, 9930745, 10297122, 10833540, 11916894, 12100440, 13729496, 15889192, 16069751, 17161870, 18722040, 19861490, 20594244, 21667080, 23833788, 25742805, 29792235, 32139502, 34323740, 39722980, 41188488, 47667576, 48209253, 51485610, 59584470, 64279004, 68647480, 79445960, 80348755, 96418506, 102971220, 119168940, 128558008, 160697510, 176767261, 192837012, 205942440, 238337880, 241046265, 321395020, 353534522, 385674024, 482092530, 530301783, 642790040, 707069044, 883836305, 964185060, 1060603566, 1414138088, 1767672610, 1928370120, 2121207132, 2651508915, 3535345220, 4242414264, 5303017830, 7070690440, 10606035660, 21212071320]

約数ペア:

[(1, 21212071320), (2, 10606035660), (3, 7070690440), (4, 5303017830), (5, 4242414264), (6, 3535345220), (8, 2651508915), (10, 2121207132), (11, 1928370120), (12, 1767672610), (15, 1414138088), (20, 1060603566), (22, 964185060), (24, 883836305), (30, 707069044), (33, 642790040), (40, 530301783), (44, 482092530), (55, 385674024), (60, 353534522), (66, 321395020), (88, 241046265), (89, 238337880), (103, 205942440), (110, 192837012), (120, 176767261), (132, 160697510), (165, 128558008), (178, 119168940), (206, 102971220), (220, 96418506), (264, 80348755), (267, 79445960), (309, 68647480), (330, 64279004), (356, 59584470), (412, 51485610), (440, 48209253), (445, 47667576), (515, 41188488), (534, 39722980), (618, 34323740), (660, 32139502), (712, 29792235), (824, 25742805), (890, 23833788), (979, 21667080), (1030, 20594244), (1068, 19861490), (1133, 18722040), (1236, 17161870), (1320, 16069751), (1335, 15889192), (1545, 13729496), (1753, 12100440), (1780, 11916894), (1958, 10833540), (2060, 10297122), (2136, 9930745), (2266, 9361020), (2472, 8580935), (2670, 7944596), (2937, 7222360), (3090, 6864748), (3399, 6240680), (3506, 6050220), (3560, 5958447), (3916, 5416770), (4120, 5148561), (4532, 4680510), (4895, 4333416), (5259, 4033480), (5340, 3972298), (5665, 3744408), (5874, 3611180), (6180, 3432374), (6798, 3120340), (7012, 3025110), (7832, 2708385), (8765, 2420088), (9064, 2340255), (9167, 2313960), (9790, 2166708), (10518, 2016740), (10680, 1986149), (11330, 1872204), (11748, 1805590), (12360, 1716187), (13596, 1560170), (14024, 1512555), (14685, 1444472), (16995, 1248136), (17530, 1210044), (18334, 1156980), (19283, 1100040), (19580, 1083354), (21036, 1008370), (22660, 936102), (23496, 902795), (26295, 806696), (27192, 780085), (27501, 771320), (29370, 722236), (33990, 624068), (35060, 605022), (36668, 578490), (38566, 550020), (39160, 541677), (42072, 504185), (45320, 468051), (45835, 462792), (52590, 403348), (55002, 385660), (57849, 366680), (58740, 361118), (67980, 312034), (70120, 302511), (73336, 289245), (77132, 275010), (91670, 231396), (96415, 220008), (100837, 210360), (105180, 201674), (110004, 192830), (115698, 183340), (117480, 180559), (135960, 156017), (137505, 154264)]