21476410020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1987}}^1$

素因数の和:2195

約数の個数: 288

約数和(自身を含む): 72942105600

約数和(自身を除く): 51465695580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 149, 155, 156, 180, 186, 195, 234, 260, 279, 298, 310, 372, 390, 403, 447, 465, 468, 558, 585, 596, 620, 745, 780, 806, 894, 930, 1116, 1170, 1209, 1341, 1395, 1490, 1612, 1788, 1860, 1937, 1987, 2015, 2235, 2340, 2418, 2682, 2790, 2980, 3627, 3874, 3974, 4030, 4470, 4619, 4836, 5364, 5580, 5811, 5961, 6045, 6705, 7254, 7748, 7948, 8060, 8940, 9238, 9685, 9935, 11622, 11922, 12090, 13410, 13857, 14508, 17433, 17883, 18135, 18476, 19370, 19870, 23095, 23244, 23844, 24180, 25831, 26820, 27714, 29055, 29805, 34866, 35766, 36270, 38740, 39740, 41571, 46190, 51662, 55428, 58110, 59610, 60047, 61597, 69285, 69732, 71532, 72540, 77493, 83142, 87165, 89415, 92380, 103324, 116220, 119220, 120094, 123194, 129155, 138570, 154986, 166284, 174330, 178830, 180141, 184791, 207855, 232479, 240188, 246388, 258310, 277140, 296063, 300235, 307985, 309972, 348660, 357660, 360282, 369582, 387465, 415710, 464958, 516620, 540423, 554373, 592126, 600470, 615970, 720564, 739164, 774930, 800761, 831420, 888189, 900705, 923955, 929916, 1080846, 1108746, 1162395, 1184252, 1200940, 1231940, 1480315, 1549860, 1601522, 1776378, 1801410, 1847910, 2161692, 2217492, 2324790, 2402283, 2664567, 2702115, 2771865, 2960630, 3203044, 3552756, 3602820, 3695820, 3848819, 4003805, 4440945, 4649580, 4804566, 5329134, 5404230, 5543730, 5921260, 7206849, 7697638, 8007610, 8881890, 9177953, 9609132, 10658268, 10808460, 11087460, 11546457, 12011415, 13322835, 14413698, 15395276, 16015220, 17763780, 18355906, 19244095, 23092914, 24022830, 26645670, 27533859, 28827396, 34639371, 36034245, 36711812, 38488190, 45889765, 46185828, 48045660, 53291340, 55067718, 57732285, 69278742, 72068490, 76976380, 82601577, 91779530, 110135436, 115464570, 119313389, 137669295, 138557484, 144136980, 165203154, 173196855, 183559060, 230929140, 238626778, 275338590, 330406308, 346393710, 357940167, 413007885, 477253556, 550677180, 596566945, 692787420, 715880334, 826015770, 1073820501, 1193133890, 1431760668, 1652031540, 1789700835, 2147641002, 2386267780, 3579401670, 4295282004, 5369102505, 7158803340, 10738205010, 21476410020]

約数ペア:

[(1, 21476410020), (2, 10738205010), (3, 7158803340), (4, 5369102505), (5, 4295282004), (6, 3579401670), (9, 2386267780), (10, 2147641002), (12, 1789700835), (13, 1652031540), (15, 1431760668), (18, 1193133890), (20, 1073820501), (26, 826015770), (30, 715880334), (31, 692787420), (36, 596566945), (39, 550677180), (45, 477253556), (52, 413007885), (60, 357940167), (62, 346393710), (65, 330406308), (78, 275338590), (90, 238626778), (93, 230929140), (117, 183559060), (124, 173196855), (130, 165203154), (149, 144136980), (155, 138557484), (156, 137669295), (180, 119313389), (186, 115464570), (195, 110135436), (234, 91779530), (260, 82601577), (279, 76976380), (298, 72068490), (310, 69278742), (372, 57732285), (390, 55067718), (403, 53291340), (447, 48045660), (465, 46185828), (468, 45889765), (558, 38488190), (585, 36711812), (596, 36034245), (620, 34639371), (745, 28827396), (780, 27533859), (806, 26645670), (894, 24022830), (930, 23092914), (1116, 19244095), (1170, 18355906), (1209, 17763780), (1341, 16015220), (1395, 15395276), (1490, 14413698), (1612, 13322835), (1788, 12011415), (1860, 11546457), (1937, 11087460), (1987, 10808460), (2015, 10658268), (2235, 9609132), (2340, 9177953), (2418, 8881890), (2682, 8007610), (2790, 7697638), (2980, 7206849), (3627, 5921260), (3874, 5543730), (3974, 5404230), (4030, 5329134), (4470, 4804566), (4619, 4649580), (4836, 4440945), (5364, 4003805), (5580, 3848819), (5811, 3695820), (5961, 3602820), (6045, 3552756), (6705, 3203044), (7254, 2960630), (7748, 2771865), (7948, 2702115), (8060, 2664567), (8940, 2402283), (9238, 2324790), (9685, 2217492), (9935, 2161692), (11622, 1847910), (11922, 1801410), (12090, 1776378), (13410, 1601522), (13857, 1549860), (14508, 1480315), (17433, 1231940), (17883, 1200940), (18135, 1184252), (18476, 1162395), (19370, 1108746), (19870, 1080846), (23095, 929916), (23244, 923955), (23844, 900705), (24180, 888189), (25831, 831420), (26820, 800761), (27714, 774930), (29055, 739164), (29805, 720564), (34866, 615970), (35766, 600470), (36270, 592126), (38740, 554373), (39740, 540423), (41571, 516620), (46190, 464958), (51662, 415710), (55428, 387465), (58110, 369582), (59610, 360282), (60047, 357660), (61597, 348660), (69285, 309972), (69732, 307985), (71532, 300235), (72540, 296063), (77493, 277140), (83142, 258310), (87165, 246388), (89415, 240188), (92380, 232479), (103324, 207855), (116220, 184791), (119220, 180141), (120094, 178830), (123194, 174330), (129155, 166284), (138570, 154986)]