21069923760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{55529}}^1$

素因数の和:55596

約数の個数: 240

約数和(自身を含む): 77340407040

約数和(自身を除く): 56270483280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 102, 120, 124, 136, 144, 153, 155, 170, 180, 186, 204, 240, 248, 255, 272, 279, 306, 310, 340, 360, 372, 408, 465, 496, 510, 527, 558, 612, 620, 680, 720, 744, 765, 816, 930, 1020, 1054, 1116, 1224, 1240, 1360, 1395, 1488, 1530, 1581, 1860, 2040, 2108, 2232, 2448, 2480, 2635, 2790, 3060, 3162, 3720, 4080, 4216, 4464, 4743, 5270, 5580, 6120, 6324, 7440, 7905, 8432, 9486, 10540, 11160, 12240, 12648, 15810, 18972, 21080, 22320, 23715, 25296, 31620, 37944, 42160, 47430, 55529, 63240, 75888, 94860, 111058, 126480, 166587, 189720, 222116, 277645, 333174, 379440, 444232, 499761, 555290, 666348, 832935, 888464, 943993, 999522, 1110580, 1332696, 1665870, 1721399, 1887986, 1999044, 2221160, 2498805, 2665392, 2831979, 3331740, 3442798, 3775972, 3998088, 4442320, 4719965, 4997610, 5164197, 5663958, 6663480, 6885596, 7551944, 7996176, 8495937, 8606995, 9439930, 9995220, 10328394, 11327916, 13326960, 13771192, 14159895, 15103888, 15492591, 16991874, 17213990, 18879860, 19990440, 20656788, 22655832, 25820985, 27542384, 28319790, 29263783, 30985182, 33983748, 34427980, 37759720, 39980880, 41313576, 42479685, 45311664, 51641970, 56639580, 58527566, 61970364, 67967496, 68855960, 75519440, 77462955, 82627152, 84959370, 87791349, 103283940, 113279160, 117055132, 123940728, 135934992, 137711920, 146318915, 154925910, 169918740, 175582698, 206567880, 226558320, 234110264, 247881456, 263374047, 292637830, 309851820, 339837480, 351165396, 413135760, 438956745, 468220528, 526748094, 585275660, 619703640, 679674960, 702330792, 877913490, 1053496188, 1170551320, 1239407280, 1316870235, 1404661584, 1755826980, 2106992376, 2341102640, 2633740470, 3511653960, 4213984752, 5267480940, 7023307920, 10534961880, 21069923760]

約数ペア:

[(1, 21069923760), (2, 10534961880), (3, 7023307920), (4, 5267480940), (5, 4213984752), (6, 3511653960), (8, 2633740470), (9, 2341102640), (10, 2106992376), (12, 1755826980), (15, 1404661584), (16, 1316870235), (17, 1239407280), (18, 1170551320), (20, 1053496188), (24, 877913490), (30, 702330792), (31, 679674960), (34, 619703640), (36, 585275660), (40, 526748094), (45, 468220528), (48, 438956745), (51, 413135760), (60, 351165396), (62, 339837480), (68, 309851820), (72, 292637830), (80, 263374047), (85, 247881456), (90, 234110264), (93, 226558320), (102, 206567880), (120, 175582698), (124, 169918740), (136, 154925910), (144, 146318915), (153, 137711920), (155, 135934992), (170, 123940728), (180, 117055132), (186, 113279160), (204, 103283940), (240, 87791349), (248, 84959370), (255, 82627152), (272, 77462955), (279, 75519440), (306, 68855960), (310, 67967496), (340, 61970364), (360, 58527566), (372, 56639580), (408, 51641970), (465, 45311664), (496, 42479685), (510, 41313576), (527, 39980880), (558, 37759720), (612, 34427980), (620, 33983748), (680, 30985182), (720, 29263783), (744, 28319790), (765, 27542384), (816, 25820985), (930, 22655832), (1020, 20656788), (1054, 19990440), (1116, 18879860), (1224, 17213990), (1240, 16991874), (1360, 15492591), (1395, 15103888), (1488, 14159895), (1530, 13771192), (1581, 13326960), (1860, 11327916), (2040, 10328394), (2108, 9995220), (2232, 9439930), (2448, 8606995), (2480, 8495937), (2635, 7996176), (2790, 7551944), (3060, 6885596), (3162, 6663480), (3720, 5663958), (4080, 5164197), (4216, 4997610), (4464, 4719965), (4743, 4442320), (5270, 3998088), (5580, 3775972), (6120, 3442798), (6324, 3331740), (7440, 2831979), (7905, 2665392), (8432, 2498805), (9486, 2221160), (10540, 1999044), (11160, 1887986), (12240, 1721399), (12648, 1665870), (15810, 1332696), (18972, 1110580), (21080, 999522), (22320, 943993), (23715, 888464), (25296, 832935), (31620, 666348), (37944, 555290), (42160, 499761), (47430, 444232), (55529, 379440), (63240, 333174), (75888, 277645), (94860, 222116), (111058, 189720), (126480, 166587)]