About the Number

21018242880

21018242879 ← → 21018242881

2進数表記:10011100100110010001110111101000000

漢数字表記:二百十億千八百二十四万二千八百八十

素因数分解:

2 6 × 3 4 × 5 1 × 229 1 × 3541 1

素因数の和:3799
約数の個数: 280
約数和(自身を含む): 75113281320
約数和(自身を除く): 54095038440

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 229, 240, 270, 288, 320, 324, 360, 405, 432, 458, 480, 540, 576, 648, 687, 720, 810, 864, 916, 960, 1080, 1145, 1296, 1374, 1440, 1620, 1728, 1832, 2061, 2160, 2290, 2592, 2748, 2880, 3240, 3435, 3541, 3664, 4122, 4320, 4580, 5184, 5496, 6183, 6480, 6870, 7082, 7328, 8244, 8640, 9160, 10305, 10623, 10992, 12366, 12960, 13740, 14164, 14656, 16488, 17705, 18320, 18549, 20610, 21246, 21984, 24732, 25920, 27480, 28328, 30915, 31869, 32976, 35410, 36640, 37098, 41220, 42492, 43968, 49464, 53115, 54960, 56656, 61830, 63738, 65952, 70820, 73280, 74196, 82440, 84984, 92745, 95607, 98928, 106230, 109920, 113312, 123660, 127476, 131904, 141640, 148392, 159345, 164880, 169968, 185490, 191214, 197856, 212460, 219840, 226624, 247320, 254952, 283280, 286821, 296784, 318690, 329760, 339936, 370980, 382428, 395712, 424920, 478035, 494640, 509904, 566560, 573642, 593568, 637380, 659520, 679872, 741960, 764856, 810889, 849840, 956070, 989280, 1019808, 1133120, 1147284, 1187136, 1274760, 1434105, 1483920, 1529712, 1621778, 1699680, 1912140, 1978560, 2039616, 2294568, 2432667, 2549520, 2868210, 2967840, 3059424, 3243556, 3399360, 3824280, 4054445, 4589136, 4865334, 5099040, 5736420, 5935680, 6118848, 6487112, 7298001, 7648560, 8108890, 9178272, 9730668, 10198080, 11472840, 12163335, 12974224, 14596002, 15297120, 16217780, 18356544, 19461336, 21894003, 22945680, 24326670, 25948448, 29192004, 30594240, 32435560, 36490005, 38922672, 43788006, 45891360, 48653340, 51896896, 58384008, 64871120, 65682009, 72980010, 77845344, 87576012, 91782720, 97306680, 109470015, 116768016, 129742240, 131364018, 145960020, 155690688, 175152024, 194613360, 218940030, 233536032, 259484480, 262728036, 291920040, 328410045, 350304048, 389226720, 437880060, 467072064, 525456072, 583840080, 656820090, 700608096, 778453440, 875760120, 1050912144, 1167680160, 1313640180, 1401216192, 1751520240, 2101824288, 2335360320, 2627280360, 3503040480, 4203648576, 5254560720, 7006080960, 10509121440, 21018242880]

約数ペア:
[(1, 21018242880), (2, 10509121440), (3, 7006080960), (4, 5254560720), (5, 4203648576), (6, 3503040480), (8, 2627280360), (9, 2335360320), (10, 2101824288), (12, 1751520240), (15, 1401216192), (16, 1313640180), (18, 1167680160), (20, 1050912144), (24, 875760120), (27, 778453440), (30, 700608096), (32, 656820090), (36, 583840080), (40, 525456072), (45, 467072064), (48, 437880060), (54, 389226720), (60, 350304048), (64, 328410045), (72, 291920040), (80, 262728036), (81, 259484480), (90, 233536032), (96, 218940030), (108, 194613360), (120, 175152024), (135, 155690688), (144, 145960020), (160, 131364018), (162, 129742240), (180, 116768016), (192, 109470015), (216, 97306680), (229, 91782720), (240, 87576012), (270, 77845344), (288, 72980010), (320, 65682009), (324, 64871120), (360, 58384008), (405, 51896896), (432, 48653340), (458, 45891360), (480, 43788006), (540, 38922672), (576, 36490005), (648, 32435560), (687, 30594240), (720, 29192004), (810, 25948448), (864, 24326670), (916, 22945680), (960, 21894003), (1080, 19461336), (1145, 18356544), (1296, 16217780), (1374, 15297120), (1440, 14596002), (1620, 12974224), (1728, 12163335), (1832, 11472840), (2061, 10198080), (2160, 9730668), (2290, 9178272), (2592, 8108890), (2748, 7648560), (2880, 7298001), (3240, 6487112), (3435, 6118848), (3541, 5935680), (3664, 5736420), (4122, 5099040), (4320, 4865334), (4580, 4589136), (5184, 4054445), (5496, 3824280), (6183, 3399360), (6480, 3243556), (6870, 3059424), (7082, 2967840), (7328, 2868210), (8244, 2549520), (8640, 2432667), (9160, 2294568), (10305, 2039616), (10623, 1978560), (10992, 1912140), (12366, 1699680), (12960, 1621778), (13740, 1529712), (14164, 1483920), (14656, 1434105), (16488, 1274760), (17705, 1187136), (18320, 1147284), (18549, 1133120), (20610, 1019808), (21246, 989280), (21984, 956070), (24732, 849840), (25920, 810889), (27480, 764856), (28328, 741960), (30915, 679872), (31869, 659520), (32976, 637380), (35410, 593568), (36640, 573642), (37098, 566560), (41220, 509904), (42492, 494640), (43968, 478035), (49464, 424920), (53115, 395712), (54960, 382428), (56656, 370980), (61830, 339936), (63738, 329760), (65952, 318690), (70820, 296784), (73280, 286821), (74196, 283280), (82440, 254952), (84984, 247320), (92745, 226624), (95607, 219840), (98928, 212460), (106230, 197856), (109920, 191214), (113312, 185490), (123660, 169968), (127476, 164880), (131904, 159345), (141640, 148392)]

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