21420775560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8191}}^1$

素因数の和:8292

約数の個数: 256

約数和(自身を含む): 71722598400

約数和(自身を除く): 50301822840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 37, 38, 40, 57, 60, 62, 74, 76, 93, 95, 111, 114, 120, 124, 148, 152, 155, 185, 186, 190, 222, 228, 248, 285, 296, 310, 370, 372, 380, 444, 456, 465, 555, 570, 589, 620, 703, 740, 744, 760, 888, 930, 1110, 1140, 1147, 1178, 1240, 1406, 1480, 1767, 1860, 2109, 2220, 2280, 2294, 2356, 2812, 2945, 3441, 3515, 3534, 3720, 4218, 4440, 4588, 4712, 5624, 5735, 5890, 6882, 7030, 7068, 8191, 8436, 8835, 9176, 10545, 11470, 11780, 13764, 14060, 14136, 16382, 16872, 17205, 17670, 21090, 21793, 22940, 23560, 24573, 27528, 28120, 32764, 34410, 35340, 40955, 42180, 43586, 45880, 49146, 65379, 65528, 68820, 70680, 81910, 84360, 87172, 98292, 108965, 122865, 130758, 137640, 155629, 163820, 174344, 196584, 217930, 245730, 253921, 261516, 303067, 311258, 326895, 327640, 435860, 466887, 491460, 507842, 523032, 606134, 622516, 653790, 761763, 778145, 871720, 909201, 933774, 982920, 1015684, 1212268, 1245032, 1269605, 1307580, 1515335, 1523526, 1556290, 1818402, 1867548, 2031368, 2334435, 2424536, 2539210, 2615160, 3030670, 3047052, 3112580, 3636804, 3735096, 3808815, 4546005, 4668870, 4824499, 5078420, 5758273, 6061340, 6094104, 6225160, 7273608, 7617630, 9092010, 9337740, 9395077, 9648998, 10156840, 11516546, 12122680, 14473497, 15235260, 17274819, 18184020, 18675480, 18790154, 19297996, 23033092, 24122495, 28185231, 28791365, 28946994, 30470520, 34549638, 36368040, 37580308, 38595992, 46066184, 46975385, 48244990, 56370462, 57582730, 57893988, 69099276, 72367485, 75160616, 86374095, 93950770, 96489980, 112740924, 115165460, 115787976, 138198552, 140926155, 144734970, 172748190, 178506463, 187901540, 192979960, 225481848, 230330920, 281852310, 289469940, 345496380, 357012926, 375803080, 535519389, 563704620, 578939880, 690992760, 714025852, 892532315, 1071038778, 1127409240, 1428051704, 1785064630, 2142077556, 2677596945, 3570129260, 4284155112, 5355193890, 7140258520, 10710387780, 21420775560]

約数ペア:

[(1, 21420775560), (2, 10710387780), (3, 7140258520), (4, 5355193890), (5, 4284155112), (6, 3570129260), (8, 2677596945), (10, 2142077556), (12, 1785064630), (15, 1428051704), (19, 1127409240), (20, 1071038778), (24, 892532315), (30, 714025852), (31, 690992760), (37, 578939880), (38, 563704620), (40, 535519389), (57, 375803080), (60, 357012926), (62, 345496380), (74, 289469940), (76, 281852310), (93, 230330920), (95, 225481848), (111, 192979960), (114, 187901540), (120, 178506463), (124, 172748190), (148, 144734970), (152, 140926155), (155, 138198552), (185, 115787976), (186, 115165460), (190, 112740924), (222, 96489980), (228, 93950770), (248, 86374095), (285, 75160616), (296, 72367485), (310, 69099276), (370, 57893988), (372, 57582730), (380, 56370462), (444, 48244990), (456, 46975385), (465, 46066184), (555, 38595992), (570, 37580308), (589, 36368040), (620, 34549638), (703, 30470520), (740, 28946994), (744, 28791365), (760, 28185231), (888, 24122495), (930, 23033092), (1110, 19297996), (1140, 18790154), (1147, 18675480), (1178, 18184020), (1240, 17274819), (1406, 15235260), (1480, 14473497), (1767, 12122680), (1860, 11516546), (2109, 10156840), (2220, 9648998), (2280, 9395077), (2294, 9337740), (2356, 9092010), (2812, 7617630), (2945, 7273608), (3441, 6225160), (3515, 6094104), (3534, 6061340), (3720, 5758273), (4218, 5078420), (4440, 4824499), (4588, 4668870), (4712, 4546005), (5624, 3808815), (5735, 3735096), (5890, 3636804), (6882, 3112580), (7030, 3047052), (7068, 3030670), (8191, 2615160), (8436, 2539210), (8835, 2424536), (9176, 2334435), (10545, 2031368), (11470, 1867548), (11780, 1818402), (13764, 1556290), (14060, 1523526), (14136, 1515335), (16382, 1307580), (16872, 1269605), (17205, 1245032), (17670, 1212268), (21090, 1015684), (21793, 982920), (22940, 933774), (23560, 909201), (24573, 871720), (27528, 778145), (28120, 761763), (32764, 653790), (34410, 622516), (35340, 606134), (40955, 523032), (42180, 507842), (43586, 491460), (45880, 466887), (49146, 435860), (65379, 327640), (65528, 326895), (68820, 311258), (70680, 303067), (81910, 261516), (84360, 253921), (87172, 245730), (98292, 217930), (108965, 196584), (122865, 174344), (130758, 163820), (137640, 155629)]