21065173920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{34259}}^1$

素因数の和:34348

約数の個数: 288

約数和(自身を含む): 83503405440

約数和(自身を除く): 62438231520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 549, 560, 610, 630, 672, 720, 732, 840, 854, 915, 976, 1008, 1098, 1120, 1220, 1260, 1281, 1440, 1464, 1680, 1708, 1830, 1952, 2016, 2135, 2196, 2440, 2520, 2562, 2745, 2928, 3360, 3416, 3660, 3843, 4270, 4392, 4880, 5040, 5124, 5490, 5856, 6405, 6832, 7320, 7686, 8540, 8784, 9760, 10080, 10248, 10980, 12810, 13664, 14640, 15372, 17080, 17568, 19215, 20496, 21960, 25620, 29280, 30744, 34160, 34259, 38430, 40992, 43920, 51240, 61488, 68320, 68518, 76860, 87840, 102480, 102777, 122976, 137036, 153720, 171295, 204960, 205554, 239813, 274072, 307440, 308331, 342590, 411108, 479626, 513885, 548144, 614880, 616662, 685180, 719439, 822216, 959252, 1027770, 1096288, 1199065, 1233324, 1370360, 1438878, 1541655, 1644432, 1918504, 2055540, 2089799, 2158317, 2398130, 2466648, 2740720, 2877756, 3083310, 3288864, 3597195, 3837008, 4111080, 4179598, 4316634, 4796260, 4933296, 5481440, 5755512, 6166620, 6269397, 7194390, 7674016, 8222160, 8359196, 8633268, 9592520, 9866592, 10448995, 10791585, 11511024, 12333240, 12538794, 14388780, 14628593, 16444320, 16718392, 17266536, 18808191, 19185040, 20897990, 21583170, 23022048, 24666480, 25077588, 28777560, 29257186, 31346985, 33436784, 34533072, 37616382, 38370080, 41795980, 43166340, 43885779, 49332960, 50155176, 57555120, 58514372, 62693970, 66873568, 69066144, 73142965, 75232764, 83591960, 86332680, 87771558, 94040955, 100310352, 115110240, 117028744, 125387940, 131657337, 146285930, 150465528, 167183920, 172665360, 175543116, 188081910, 200620704, 219428895, 234057488, 250775880, 263314674, 292571860, 300931056, 334367840, 345330720, 351086232, 376163820, 438857790, 468114976, 501551760, 526629348, 585143720, 601862112, 658286685, 702172464, 752327640, 877715580, 1003103520, 1053258696, 1170287440, 1316573370, 1404344928, 1504655280, 1755431160, 2106517392, 2340574880, 2633146740, 3009310560, 3510862320, 4213034784, 5266293480, 7021724640, 10532586960, 21065173920]

約数ペア:

[(1, 21065173920), (2, 10532586960), (3, 7021724640), (4, 5266293480), (5, 4213034784), (6, 3510862320), (7, 3009310560), (8, 2633146740), (9, 2340574880), (10, 2106517392), (12, 1755431160), (14, 1504655280), (15, 1404344928), (16, 1316573370), (18, 1170287440), (20, 1053258696), (21, 1003103520), (24, 877715580), (28, 752327640), (30, 702172464), (32, 658286685), (35, 601862112), (36, 585143720), (40, 526629348), (42, 501551760), (45, 468114976), (48, 438857790), (56, 376163820), (60, 351086232), (61, 345330720), (63, 334367840), (70, 300931056), (72, 292571860), (80, 263314674), (84, 250775880), (90, 234057488), (96, 219428895), (105, 200620704), (112, 188081910), (120, 175543116), (122, 172665360), (126, 167183920), (140, 150465528), (144, 146285930), (160, 131657337), (168, 125387940), (180, 117028744), (183, 115110240), (210, 100310352), (224, 94040955), (240, 87771558), (244, 86332680), (252, 83591960), (280, 75232764), (288, 73142965), (305, 69066144), (315, 66873568), (336, 62693970), (360, 58514372), (366, 57555120), (420, 50155176), (427, 49332960), (480, 43885779), (488, 43166340), (504, 41795980), (549, 38370080), (560, 37616382), (610, 34533072), (630, 33436784), (672, 31346985), (720, 29257186), (732, 28777560), (840, 25077588), (854, 24666480), (915, 23022048), (976, 21583170), (1008, 20897990), (1098, 19185040), (1120, 18808191), (1220, 17266536), (1260, 16718392), (1281, 16444320), (1440, 14628593), (1464, 14388780), (1680, 12538794), (1708, 12333240), (1830, 11511024), (1952, 10791585), (2016, 10448995), (2135, 9866592), (2196, 9592520), (2440, 8633268), (2520, 8359196), (2562, 8222160), (2745, 7674016), (2928, 7194390), (3360, 6269397), (3416, 6166620), (3660, 5755512), (3843, 5481440), (4270, 4933296), (4392, 4796260), (4880, 4316634), (5040, 4179598), (5124, 4111080), (5490, 3837008), (5856, 3597195), (6405, 3288864), (6832, 3083310), (7320, 2877756), (7686, 2740720), (8540, 2466648), (8784, 2398130), (9760, 2158317), (10080, 2089799), (10248, 2055540), (10980, 1918504), (12810, 1644432), (13664, 1541655), (14640, 1438878), (15372, 1370360), (17080, 1233324), (17568, 1199065), (19215, 1096288), (20496, 1027770), (21960, 959252), (25620, 822216), (29280, 719439), (30744, 685180), (34160, 616662), (34259, 614880), (38430, 548144), (40992, 513885), (43920, 479626), (51240, 411108), (61488, 342590), (68320, 308331), (68518, 307440), (76860, 274072), (87840, 239813), (102480, 205554), (102777, 204960), (122976, 171295), (137036, 153720)]