21415038120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{5437}}^1$

素因数の和:5985

約数の個数: 256

約数和(自身を含む): 81752716800

約数和(自身を除く): 60337678680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 521, 540, 630, 756, 840, 945, 1042, 1080, 1260, 1512, 1563, 1890, 2084, 2520, 2605, 3126, 3647, 3780, 4168, 4689, 5210, 5437, 6252, 7294, 7560, 7815, 9378, 10420, 10874, 10941, 12504, 14067, 14588, 15630, 16311, 18235, 18756, 20840, 21748, 21882, 23445, 27185, 28134, 29176, 31260, 32622, 32823, 36470, 37512, 38059, 43496, 43764, 46890, 48933, 54370, 54705, 56268, 62520, 65244, 65646, 70335, 72940, 76118, 81555, 87528, 93780, 97866, 98469, 108740, 109410, 112536, 114177, 130488, 131292, 140670, 145880, 146799, 152236, 163110, 164115, 187560, 190295, 195732, 196938, 217480, 218820, 228354, 244665, 262584, 281340, 293598, 304472, 326220, 328230, 342531, 380590, 391464, 393876, 437640, 456708, 489330, 492345, 562680, 570885, 587196, 652440, 656460, 685062, 733995, 761180, 787752, 913416, 978660, 984690, 1027593, 1141770, 1174392, 1312920, 1370124, 1467990, 1522360, 1712655, 1957320, 1969380, 2055186, 2283540, 2740248, 2832677, 2935980, 3425310, 3938760, 4110372, 4567080, 5137965, 5665354, 5871960, 6850620, 8220744, 8498031, 10275930, 11330708, 13701240, 14163385, 16996062, 19828739, 20551860, 22661416, 25494093, 28326770, 33992124, 39657478, 41103720, 42490155, 50988186, 56653540, 59486217, 67984248, 76482279, 79314956, 84980310, 99143695, 101976372, 113307080, 118972434, 127470465, 152964558, 158629912, 169960620, 178458651, 198287390, 203952744, 237944868, 254940930, 297431085, 305929116, 339921240, 356917302, 382411395, 396574780, 475889736, 509881860, 535375953, 594862170, 611858232, 713834604, 764822790, 793149560, 892293255, 1019763720, 1070751906, 1189724340, 1427669208, 1529645580, 1784586510, 2141503812, 2379448680, 2676879765, 3059291160, 3569173020, 4283007624, 5353759530, 7138346040, 10707519060, 21415038120]

約数ペア:

[(1, 21415038120), (2, 10707519060), (3, 7138346040), (4, 5353759530), (5, 4283007624), (6, 3569173020), (7, 3059291160), (8, 2676879765), (9, 2379448680), (10, 2141503812), (12, 1784586510), (14, 1529645580), (15, 1427669208), (18, 1189724340), (20, 1070751906), (21, 1019763720), (24, 892293255), (27, 793149560), (28, 764822790), (30, 713834604), (35, 611858232), (36, 594862170), (40, 535375953), (42, 509881860), (45, 475889736), (54, 396574780), (56, 382411395), (60, 356917302), (63, 339921240), (70, 305929116), (72, 297431085), (84, 254940930), (90, 237944868), (105, 203952744), (108, 198287390), (120, 178458651), (126, 169960620), (135, 158629912), (140, 152964558), (168, 127470465), (180, 118972434), (189, 113307080), (210, 101976372), (216, 99143695), (252, 84980310), (270, 79314956), (280, 76482279), (315, 67984248), (360, 59486217), (378, 56653540), (420, 50988186), (504, 42490155), (521, 41103720), (540, 39657478), (630, 33992124), (756, 28326770), (840, 25494093), (945, 22661416), (1042, 20551860), (1080, 19828739), (1260, 16996062), (1512, 14163385), (1563, 13701240), (1890, 11330708), (2084, 10275930), (2520, 8498031), (2605, 8220744), (3126, 6850620), (3647, 5871960), (3780, 5665354), (4168, 5137965), (4689, 4567080), (5210, 4110372), (5437, 3938760), (6252, 3425310), (7294, 2935980), (7560, 2832677), (7815, 2740248), (9378, 2283540), (10420, 2055186), (10874, 1969380), (10941, 1957320), (12504, 1712655), (14067, 1522360), (14588, 1467990), (15630, 1370124), (16311, 1312920), (18235, 1174392), (18756, 1141770), (20840, 1027593), (21748, 984690), (21882, 978660), (23445, 913416), (27185, 787752), (28134, 761180), (29176, 733995), (31260, 685062), (32622, 656460), (32823, 652440), (36470, 587196), (37512, 570885), (38059, 562680), (43496, 492345), (43764, 489330), (46890, 456708), (48933, 437640), (54370, 393876), (54705, 391464), (56268, 380590), (62520, 342531), (65244, 328230), (65646, 326220), (70335, 304472), (72940, 293598), (76118, 281340), (81555, 262584), (87528, 244665), (93780, 228354), (97866, 218820), (98469, 217480), (108740, 196938), (109410, 195732), (112536, 190295), (114177, 187560), (130488, 164115), (131292, 163110), (140670, 152236), (145880, 146799)]