21028256040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 384

約数和(自身を含む): 72222399360

約数和(自身を除く): 51194143320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 121, 124, 132, 137, 155, 165, 186, 220, 242, 248, 264, 274, 310, 330, 341, 363, 372, 411, 440, 465, 484, 548, 605, 620, 660, 682, 685, 726, 744, 822, 930, 961, 968, 1023, 1096, 1210, 1240, 1320, 1331, 1364, 1370, 1452, 1507, 1644, 1705, 1815, 1860, 1922, 2046, 2055, 2420, 2662, 2728, 2740, 2883, 2904, 3014, 3288, 3410, 3630, 3720, 3751, 3844, 3993, 4092, 4110, 4247, 4521, 4805, 4840, 5115, 5324, 5480, 5766, 6028, 6655, 6820, 7260, 7502, 7535, 7688, 7986, 8184, 8220, 8494, 9042, 9610, 10230, 10571, 10648, 11253, 11532, 12056, 12741, 13310, 13640, 14415, 14520, 15004, 15070, 15972, 16440, 16577, 16988, 18084, 18755, 19220, 19965, 20460, 21142, 21235, 22506, 22605, 23064, 25482, 26620, 28830, 30008, 30140, 31713, 31944, 33154, 33976, 36168, 37510, 38440, 39930, 40920, 41261, 42284, 42470, 45012, 45210, 46717, 49731, 50964, 52855, 53240, 56265, 57660, 60280, 63426, 63705, 66308, 75020, 79860, 82522, 82885, 84568, 84940, 90024, 90420, 93434, 99462, 101928, 105710, 112530, 115320, 116281, 123783, 126852, 127410, 131657, 132616, 140151, 150040, 158565, 159720, 165044, 165770, 169880, 180840, 182347, 186868, 198924, 206305, 211420, 225060, 232562, 233585, 247566, 248655, 253704, 254820, 263314, 280302, 317130, 330088, 331540, 348843, 364694, 373736, 394971, 397848, 412610, 422840, 450120, 465124, 467170, 495132, 497310, 509640, 513887, 526628, 547041, 560604, 581405, 618915, 634260, 658285, 663080, 697686, 700755, 729388, 789942, 825220, 911735, 930248, 934340, 990264, 994620, 1027774, 1053256, 1094082, 1121208, 1162810, 1237830, 1268520, 1279091, 1316570, 1395372, 1401510, 1448227, 1458776, 1541661, 1579884, 1650440, 1744215, 1823470, 1868680, 1974855, 1989240, 2055548, 2188164, 2325620, 2475660, 2558182, 2569435, 2633140, 2735205, 2790744, 2803020, 2896454, 3083322, 3159768, 3488430, 3646940, 3837273, 3949710, 4111096, 4344681, 4376328, 4651240, 4951320, 5116364, 5138870, 5266280, 5470410, 5606040, 5652757, 5792908, 6166644, 6395455, 6976860, 7241135, 7293880, 7674546, 7708305, 7899420, 8689362, 10232728, 10277740, 10940820, 11305514, 11585816, 12333288, 12790910, 13953720, 14482270, 15349092, 15416610, 15798840, 15930497, 16958271, 17378724, 19186365, 20555480, 21723405, 21881640, 22611028, 25581820, 28263785, 28964540, 30698184, 30833220, 31860994, 33916542, 34757448, 38372730, 43446810, 45222056, 47791491, 51163640, 56527570, 57929080, 61666440, 63721988, 67833084, 76745460, 79652485, 84791355, 86893620, 95582982, 113055140, 127443976, 135666168, 153490920, 159304970, 169582710, 173787240, 175235467, 191165964, 226110280, 238957455, 318609940, 339165420, 350470934, 382331928, 477914910, 525706401, 637219880, 678330840, 700941868, 876177335, 955829820, 1051412802, 1401883736, 1752354670, 1911659640, 2102825604, 2628532005, 3504709340, 4205651208, 5257064010, 7009418680, 10514128020, 21028256040]

約数ペア:

[(1, 21028256040), (2, 10514128020), (3, 7009418680), (4, 5257064010), (5, 4205651208), (6, 3504709340), (8, 2628532005), (10, 2102825604), (11, 1911659640), (12, 1752354670), (15, 1401883736), (20, 1051412802), (22, 955829820), (24, 876177335), (30, 700941868), (31, 678330840), (33, 637219880), (40, 525706401), (44, 477914910), (55, 382331928), (60, 350470934), (62, 339165420), (66, 318609940), (88, 238957455), (93, 226110280), (110, 191165964), (120, 175235467), (121, 173787240), (124, 169582710), (132, 159304970), (137, 153490920), (155, 135666168), (165, 127443976), (186, 113055140), (220, 95582982), (242, 86893620), (248, 84791355), (264, 79652485), (274, 76745460), (310, 67833084), (330, 63721988), (341, 61666440), (363, 57929080), (372, 56527570), (411, 51163640), (440, 47791491), (465, 45222056), (484, 43446810), (548, 38372730), (605, 34757448), (620, 33916542), (660, 31860994), (682, 30833220), (685, 30698184), (726, 28964540), (744, 28263785), (822, 25581820), (930, 22611028), (961, 21881640), (968, 21723405), (1023, 20555480), (1096, 19186365), (1210, 17378724), (1240, 16958271), (1320, 15930497), (1331, 15798840), (1364, 15416610), (1370, 15349092), (1452, 14482270), (1507, 13953720), (1644, 12790910), (1705, 12333288), (1815, 11585816), (1860, 11305514), (1922, 10940820), (2046, 10277740), (2055, 10232728), (2420, 8689362), (2662, 7899420), (2728, 7708305), (2740, 7674546), (2883, 7293880), (2904, 7241135), (3014, 6976860), (3288, 6395455), (3410, 6166644), (3630, 5792908), (3720, 5652757), (3751, 5606040), (3844, 5470410), (3993, 5266280), (4092, 5138870), (4110, 5116364), (4247, 4951320), (4521, 4651240), (4805, 4376328), (4840, 4344681), (5115, 4111096), (5324, 3949710), (5480, 3837273), (5766, 3646940), (6028, 3488430), (6655, 3159768), (6820, 3083322), (7260, 2896454), (7502, 2803020), (7535, 2790744), (7688, 2735205), (7986, 2633140), (8184, 2569435), (8220, 2558182), (8494, 2475660), (9042, 2325620), (9610, 2188164), (10230, 2055548), (10571, 1989240), (10648, 1974855), (11253, 1868680), (11532, 1823470), (12056, 1744215), (12741, 1650440), (13310, 1579884), (13640, 1541661), (14415, 1458776), (14520, 1448227), (15004, 1401510), (15070, 1395372), (15972, 1316570), (16440, 1279091), (16577, 1268520), (16988, 1237830), (18084, 1162810), (18755, 1121208), (19220, 1094082), (19965, 1053256), (20460, 1027774), (21142, 994620), (21235, 990264), (22506, 934340), (22605, 930248), (23064, 911735), (25482, 825220), (26620, 789942), (28830, 729388), (30008, 700755), (30140, 697686), (31713, 663080), (31944, 658285), (33154, 634260), (33976, 618915), (36168, 581405), (37510, 560604), (38440, 547041), (39930, 526628), (40920, 513887), (41261, 509640), (42284, 497310), (42470, 495132), (45012, 467170), (45210, 465124), (46717, 450120), (49731, 422840), (50964, 412610), (52855, 397848), (53240, 394971), (56265, 373736), (57660, 364694), (60280, 348843), (63426, 331540), (63705, 330088), (66308, 317130), (75020, 280302), (79860, 263314), (82522, 254820), (82885, 253704), (84568, 248655), (84940, 247566), (90024, 233585), (90420, 232562), (93434, 225060), (99462, 211420), (101928, 206305), (105710, 198924), (112530, 186868), (115320, 182347), (116281, 180840), (123783, 169880), (126852, 165770), (127410, 165044), (131657, 159720), (132616, 158565), (140151, 150040)]