21406722960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1242

約数の個数: 320

約数和(自身を含む): 78158283264

約数和(自身を除く): 56751560304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 521, 555, 560, 592, 661, 740, 777, 840, 888, 1036, 1042, 1110, 1295, 1322, 1480, 1554, 1563, 1680, 1776, 1983, 2072, 2084, 2220, 2590, 2605, 2644, 2960, 3108, 3126, 3305, 3647, 3885, 3966, 4144, 4168, 4440, 4627, 5180, 5210, 5288, 6216, 6252, 6610, 7294, 7770, 7815, 7932, 8336, 8880, 9254, 9915, 10360, 10420, 10576, 10941, 12432, 12504, 13220, 13881, 14588, 15540, 15630, 15864, 18235, 18508, 19277, 19830, 20720, 20840, 21882, 23135, 24457, 25008, 26440, 27762, 29176, 31080, 31260, 31728, 36470, 37016, 38554, 39660, 41680, 43764, 46270, 48914, 52880, 54705, 55524, 57831, 58352, 62160, 62520, 69405, 72940, 73371, 74032, 77108, 79320, 87528, 92540, 96385, 97828, 109410, 111048, 115662, 122285, 125040, 134939, 138810, 145880, 146742, 154216, 158640, 171199, 175056, 185080, 192770, 195656, 218820, 222096, 231324, 244570, 269878, 277620, 289155, 291760, 293484, 308432, 342398, 344381, 366855, 370160, 385540, 391312, 404817, 437640, 462648, 489140, 513597, 539756, 555240, 578310, 586968, 674695, 684796, 688762, 733710, 771080, 809634, 855995, 875280, 925296, 978280, 1027194, 1033143, 1079512, 1110480, 1156620, 1173936, 1349390, 1369592, 1377524, 1467420, 1542160, 1619268, 1711990, 1721905, 1956560, 2024085, 2054388, 2066286, 2159024, 2313240, 2410667, 2567985, 2698780, 2739184, 2755048, 2934840, 3238536, 3423980, 3443810, 4048170, 4108776, 4132572, 4626480, 4821334, 5135970, 5165715, 5397560, 5510096, 5869680, 6477072, 6847960, 6887620, 7232001, 8096340, 8217552, 8265144, 9642668, 10271940, 10331430, 10795120, 12053335, 12742097, 13695920, 13775240, 14464002, 16192680, 16530288, 19285336, 20543880, 20662860, 24106670, 25484194, 27550480, 28928004, 32385360, 36160005, 38226291, 38570672, 41087760, 41325720, 48213340, 50968388, 57856008, 63710485, 72320010, 76452582, 82651440, 89194679, 96426680, 101936776, 115712016, 127420970, 144640020, 152905164, 178389358, 191131455, 192853360, 203873552, 254841940, 267584037, 289280040, 305810328, 356778716, 382262910, 445973395, 509683880, 535168074, 578560080, 611620656, 713557432, 764525820, 891946790, 1019367760, 1070336148, 1337920185, 1427114864, 1529051640, 1783893580, 2140672296, 2675840370, 3058103280, 3567787160, 4281344592, 5351680740, 7135574320, 10703361480, 21406722960]

約数ペア:

[(1, 21406722960), (2, 10703361480), (3, 7135574320), (4, 5351680740), (5, 4281344592), (6, 3567787160), (7, 3058103280), (8, 2675840370), (10, 2140672296), (12, 1783893580), (14, 1529051640), (15, 1427114864), (16, 1337920185), (20, 1070336148), (21, 1019367760), (24, 891946790), (28, 764525820), (30, 713557432), (35, 611620656), (37, 578560080), (40, 535168074), (42, 509683880), (48, 445973395), (56, 382262910), (60, 356778716), (70, 305810328), (74, 289280040), (80, 267584037), (84, 254841940), (105, 203873552), (111, 192853360), (112, 191131455), (120, 178389358), (140, 152905164), (148, 144640020), (168, 127420970), (185, 115712016), (210, 101936776), (222, 96426680), (240, 89194679), (259, 82651440), (280, 76452582), (296, 72320010), (336, 63710485), (370, 57856008), (420, 50968388), (444, 48213340), (518, 41325720), (521, 41087760), (555, 38570672), (560, 38226291), (592, 36160005), (661, 32385360), (740, 28928004), (777, 27550480), (840, 25484194), (888, 24106670), (1036, 20662860), (1042, 20543880), (1110, 19285336), (1295, 16530288), (1322, 16192680), (1480, 14464002), (1554, 13775240), (1563, 13695920), (1680, 12742097), (1776, 12053335), (1983, 10795120), (2072, 10331430), (2084, 10271940), (2220, 9642668), (2590, 8265144), (2605, 8217552), (2644, 8096340), (2960, 7232001), (3108, 6887620), (3126, 6847960), (3305, 6477072), (3647, 5869680), (3885, 5510096), (3966, 5397560), (4144, 5165715), (4168, 5135970), (4440, 4821334), (4627, 4626480), (5180, 4132572), (5210, 4108776), (5288, 4048170), (6216, 3443810), (6252, 3423980), (6610, 3238536), (7294, 2934840), (7770, 2755048), (7815, 2739184), (7932, 2698780), (8336, 2567985), (8880, 2410667), (9254, 2313240), (9915, 2159024), (10360, 2066286), (10420, 2054388), (10576, 2024085), (10941, 1956560), (12432, 1721905), (12504, 1711990), (13220, 1619268), (13881, 1542160), (14588, 1467420), (15540, 1377524), (15630, 1369592), (15864, 1349390), (18235, 1173936), (18508, 1156620), (19277, 1110480), (19830, 1079512), (20720, 1033143), (20840, 1027194), (21882, 978280), (23135, 925296), (24457, 875280), (25008, 855995), (26440, 809634), (27762, 771080), (29176, 733710), (31080, 688762), (31260, 684796), (31728, 674695), (36470, 586968), (37016, 578310), (38554, 555240), (39660, 539756), (41680, 513597), (43764, 489140), (46270, 462648), (48914, 437640), (52880, 404817), (54705, 391312), (55524, 385540), (57831, 370160), (58352, 366855), (62160, 344381), (62520, 342398), (69405, 308432), (72940, 293484), (73371, 291760), (74032, 289155), (77108, 277620), (79320, 269878), (87528, 244570), (92540, 231324), (96385, 222096), (97828, 218820), (109410, 195656), (111048, 192770), (115662, 185080), (122285, 175056), (125040, 171199), (134939, 158640), (138810, 154216), (145880, 146742)]