21039384240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{13337}}^1$

素因数の和:13676

約数の個数: 240

約数和(自身を含む): 81015225408

約数和(自身を除く): 59975841168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 313, 315, 336, 360, 420, 504, 560, 626, 630, 720, 840, 939, 1008, 1252, 1260, 1565, 1680, 1878, 2191, 2504, 2520, 2817, 3130, 3756, 4382, 4695, 5008, 5040, 5634, 6260, 6573, 7512, 8764, 9390, 10955, 11268, 12520, 13146, 13337, 14085, 15024, 17528, 18780, 19719, 21910, 22536, 25040, 26292, 26674, 28170, 32865, 35056, 37560, 39438, 40011, 43820, 45072, 52584, 53348, 56340, 65730, 66685, 75120, 78876, 80022, 87640, 93359, 98595, 105168, 106696, 112680, 120033, 131460, 133370, 157752, 160044, 175280, 186718, 197190, 200055, 213392, 225360, 240066, 262920, 266740, 280077, 315504, 320088, 373436, 394380, 400110, 466795, 480132, 525840, 533480, 560154, 600165, 640176, 746872, 788760, 800220, 840231, 933590, 960264, 1066960, 1120308, 1200330, 1400385, 1493744, 1577520, 1600440, 1680462, 1867180, 1920528, 2240616, 2400660, 2800770, 3200880, 3360924, 3734360, 4174481, 4201155, 4481232, 4801320, 5601540, 6721848, 7468720, 8348962, 8402310, 9602640, 11203080, 12523443, 13443696, 16697924, 16804620, 20872405, 22406160, 25046886, 29221367, 33395848, 33609240, 37570329, 41744810, 50093772, 58442734, 62617215, 66791696, 67218480, 75140658, 83489620, 87664101, 100187544, 116885468, 125234430, 146106835, 150281316, 166979240, 175328202, 187851645, 200375088, 233770936, 250468860, 262992303, 292213670, 300562632, 333958480, 350656404, 375703290, 438320505, 467541872, 500937720, 525984606, 584427340, 601125264, 701312808, 751406580, 876641010, 1001875440, 1051969212, 1168854680, 1314961515, 1402625616, 1502813160, 1753282020, 2103938424, 2337709360, 2629923030, 3005626320, 3506564040, 4207876848, 5259846060, 7013128080, 10519692120, 21039384240]

約数ペア:

[(1, 21039384240), (2, 10519692120), (3, 7013128080), (4, 5259846060), (5, 4207876848), (6, 3506564040), (7, 3005626320), (8, 2629923030), (9, 2337709360), (10, 2103938424), (12, 1753282020), (14, 1502813160), (15, 1402625616), (16, 1314961515), (18, 1168854680), (20, 1051969212), (21, 1001875440), (24, 876641010), (28, 751406580), (30, 701312808), (35, 601125264), (36, 584427340), (40, 525984606), (42, 500937720), (45, 467541872), (48, 438320505), (56, 375703290), (60, 350656404), (63, 333958480), (70, 300562632), (72, 292213670), (80, 262992303), (84, 250468860), (90, 233770936), (105, 200375088), (112, 187851645), (120, 175328202), (126, 166979240), (140, 150281316), (144, 146106835), (168, 125234430), (180, 116885468), (210, 100187544), (240, 87664101), (252, 83489620), (280, 75140658), (313, 67218480), (315, 66791696), (336, 62617215), (360, 58442734), (420, 50093772), (504, 41744810), (560, 37570329), (626, 33609240), (630, 33395848), (720, 29221367), (840, 25046886), (939, 22406160), (1008, 20872405), (1252, 16804620), (1260, 16697924), (1565, 13443696), (1680, 12523443), (1878, 11203080), (2191, 9602640), (2504, 8402310), (2520, 8348962), (2817, 7468720), (3130, 6721848), (3756, 5601540), (4382, 4801320), (4695, 4481232), (5008, 4201155), (5040, 4174481), (5634, 3734360), (6260, 3360924), (6573, 3200880), (7512, 2800770), (8764, 2400660), (9390, 2240616), (10955, 1920528), (11268, 1867180), (12520, 1680462), (13146, 1600440), (13337, 1577520), (14085, 1493744), (15024, 1400385), (17528, 1200330), (18780, 1120308), (19719, 1066960), (21910, 960264), (22536, 933590), (25040, 840231), (26292, 800220), (26674, 788760), (28170, 746872), (32865, 640176), (35056, 600165), (37560, 560154), (39438, 533480), (40011, 525840), (43820, 480132), (45072, 466795), (52584, 400110), (53348, 394380), (56340, 373436), (65730, 320088), (66685, 315504), (75120, 280077), (78876, 266740), (80022, 262920), (87640, 240066), (93359, 225360), (98595, 213392), (105168, 200055), (106696, 197190), (112680, 186718), (120033, 175280), (131460, 160044), (133370, 157752)]