21200257680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{58153}}^1$

素因数の和:58214

約数の個数: 240

約数和(自身を含む): 78918234624

約数和(自身を除く): 57717976944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2170, 2352, 2480, 2604, 2940, 3038, 3255, 3472, 3720, 3920, 4340, 4557, 5208, 5880, 6076, 6510, 7440, 7595, 8680, 9114, 10416, 11760, 12152, 13020, 15190, 17360, 18228, 22785, 24304, 26040, 30380, 36456, 45570, 52080, 58153, 60760, 72912, 91140, 116306, 121520, 174459, 182280, 232612, 290765, 348918, 364560, 407071, 465224, 581530, 697836, 814142, 872295, 930448, 1163060, 1221213, 1395672, 1628284, 1744590, 1802743, 2035355, 2326120, 2442426, 2791344, 2849497, 3256568, 3489180, 3605486, 4070710, 4652240, 4884852, 5408229, 5698994, 6106065, 6513136, 6978360, 7210972, 8141420, 8548491, 9013715, 9769704, 10816458, 11397988, 12212130, 12619201, 13956720, 14247485, 14421944, 16282840, 17096982, 18027430, 19539408, 21632916, 22795976, 24424260, 25238402, 27041145, 28494970, 28843888, 32565680, 34193964, 36054860, 37857603, 42742455, 43265832, 45591952, 48848520, 50476804, 54082290, 56989940, 63096005, 68387928, 72109720, 75715206, 85484910, 86531664, 88334407, 97697040, 100953608, 108164580, 113979880, 126192010, 136775856, 144219440, 151430412, 170969820, 176668814, 189288015, 201907216, 216329160, 227959760, 252384020, 265003221, 302860824, 341939640, 353337628, 378576030, 432658320, 441672035, 504768040, 530006442, 605721648, 683879280, 706675256, 757152060, 883344070, 1009536080, 1060012884, 1325016105, 1413350512, 1514304120, 1766688140, 2120025768, 2650032210, 3028608240, 3533376280, 4240051536, 5300064420, 7066752560, 10600128840, 21200257680]

約数ペア:

[(1, 21200257680), (2, 10600128840), (3, 7066752560), (4, 5300064420), (5, 4240051536), (6, 3533376280), (7, 3028608240), (8, 2650032210), (10, 2120025768), (12, 1766688140), (14, 1514304120), (15, 1413350512), (16, 1325016105), (20, 1060012884), (21, 1009536080), (24, 883344070), (28, 757152060), (30, 706675256), (31, 683879280), (35, 605721648), (40, 530006442), (42, 504768040), (48, 441672035), (49, 432658320), (56, 378576030), (60, 353337628), (62, 341939640), (70, 302860824), (80, 265003221), (84, 252384020), (93, 227959760), (98, 216329160), (105, 201907216), (112, 189288015), (120, 176668814), (124, 170969820), (140, 151430412), (147, 144219440), (155, 136775856), (168, 126192010), (186, 113979880), (196, 108164580), (210, 100953608), (217, 97697040), (240, 88334407), (245, 86531664), (248, 85484910), (280, 75715206), (294, 72109720), (310, 68387928), (336, 63096005), (372, 56989940), (392, 54082290), (420, 50476804), (434, 48848520), (465, 45591952), (490, 43265832), (496, 42742455), (560, 37857603), (588, 36054860), (620, 34193964), (651, 32565680), (735, 28843888), (744, 28494970), (784, 27041145), (840, 25238402), (868, 24424260), (930, 22795976), (980, 21632916), (1085, 19539408), (1176, 18027430), (1240, 17096982), (1302, 16282840), (1470, 14421944), (1488, 14247485), (1519, 13956720), (1680, 12619201), (1736, 12212130), (1860, 11397988), (1960, 10816458), (2170, 9769704), (2352, 9013715), (2480, 8548491), (2604, 8141420), (2940, 7210972), (3038, 6978360), (3255, 6513136), (3472, 6106065), (3720, 5698994), (3920, 5408229), (4340, 4884852), (4557, 4652240), (5208, 4070710), (5880, 3605486), (6076, 3489180), (6510, 3256568), (7440, 2849497), (7595, 2791344), (8680, 2442426), (9114, 2326120), (10416, 2035355), (11760, 1802743), (12152, 1744590), (13020, 1628284), (15190, 1395672), (17360, 1221213), (18228, 1163060), (22785, 930448), (24304, 872295), (26040, 814142), (30380, 697836), (36456, 581530), (45570, 465224), (52080, 407071), (58153, 364560), (60760, 348918), (72912, 290765), (91140, 232612), (116306, 182280), (121520, 174459)]