21020224680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{213881}}^1$

素因数の和:213921

約数の個数: 256

約数和(自身を含む): 86237222400

約数和(自身を除く): 65216997720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7560, 8190, 9828, 10920, 12285, 14040, 16380, 19656, 24570, 32760, 49140, 98280, 213881, 427762, 641643, 855524, 1069405, 1283286, 1497167, 1711048, 1924929, 2138810, 2566572, 2780453, 2994334, 3208215, 3849858, 4277620, 4491501, 5133144, 5560906, 5774787, 5988668, 6416430, 7485835, 7699716, 8341359, 8555240, 8983002, 9624645, 11121812, 11549574, 11977336, 12832860, 13474503, 13902265, 14971670, 15399432, 16682718, 17966004, 19249290, 19463171, 22243624, 22457505, 23099148, 25024077, 25665720, 26949006, 27804530, 28873935, 29943340, 33365436, 35932008, 38498580, 38926342, 40423509, 41706795, 44915010, 46198296, 50048154, 53898012, 55609060, 57747870, 58389513, 59886680, 66730872, 67372515, 75072231, 76997160, 77852684, 80847018, 83413590, 89830020, 97315855, 100096308, 107796024, 111218120, 115495740, 116779026, 125120385, 134745030, 150144462, 155705368, 161694036, 166827180, 175168539, 179660040, 194631710, 200192616, 202117545, 230991480, 233558052, 250240770, 269490060, 291947565, 300288924, 323388072, 333654360, 350337078, 375361155, 389263420, 404235090, 467116104, 500481540, 525505617, 538980120, 583895130, 600577848, 700674156, 750722310, 778526840, 808470180, 875842695, 1000963080, 1051011234, 1167790260, 1401348312, 1501444620, 1616940360, 1751685390, 2102022468, 2335580520, 2627528085, 3002889240, 3503370780, 4204044936, 5255056170, 7006741560, 10510112340, 21020224680]

約数ペア:

[(1, 21020224680), (2, 10510112340), (3, 7006741560), (4, 5255056170), (5, 4204044936), (6, 3503370780), (7, 3002889240), (8, 2627528085), (9, 2335580520), (10, 2102022468), (12, 1751685390), (13, 1616940360), (14, 1501444620), (15, 1401348312), (18, 1167790260), (20, 1051011234), (21, 1000963080), (24, 875842695), (26, 808470180), (27, 778526840), (28, 750722310), (30, 700674156), (35, 600577848), (36, 583895130), (39, 538980120), (40, 525505617), (42, 500481540), (45, 467116104), (52, 404235090), (54, 389263420), (56, 375361155), (60, 350337078), (63, 333654360), (65, 323388072), (70, 300288924), (72, 291947565), (78, 269490060), (84, 250240770), (90, 233558052), (91, 230991480), (104, 202117545), (105, 200192616), (108, 194631710), (117, 179660040), (120, 175168539), (126, 166827180), (130, 161694036), (135, 155705368), (140, 150144462), (156, 134745030), (168, 125120385), (180, 116779026), (182, 115495740), (189, 111218120), (195, 107796024), (210, 100096308), (216, 97315855), (234, 89830020), (252, 83413590), (260, 80847018), (270, 77852684), (273, 76997160), (280, 75072231), (312, 67372515), (315, 66730872), (351, 59886680), (360, 58389513), (364, 57747870), (378, 55609060), (390, 53898012), (420, 50048154), (455, 46198296), (468, 44915010), (504, 41706795), (520, 40423509), (540, 38926342), (546, 38498580), (585, 35932008), (630, 33365436), (702, 29943340), (728, 28873935), (756, 27804530), (780, 26949006), (819, 25665720), (840, 25024077), (910, 23099148), (936, 22457505), (945, 22243624), (1080, 19463171), (1092, 19249290), (1170, 17966004), (1260, 16682718), (1365, 15399432), (1404, 14971670), (1512, 13902265), (1560, 13474503), (1638, 12832860), (1755, 11977336), (1820, 11549574), (1890, 11121812), (2184, 9624645), (2340, 8983002), (2457, 8555240), (2520, 8341359), (2730, 7699716), (2808, 7485835), (3276, 6416430), (3510, 5988668), (3640, 5774787), (3780, 5560906), (4095, 5133144), (4680, 4491501), (4914, 4277620), (5460, 3849858), (6552, 3208215), (7020, 2994334), (7560, 2780453), (8190, 2566572), (9828, 2138810), (10920, 1924929), (12285, 1711048), (14040, 1497167), (16380, 1283286), (19656, 1069405), (24570, 855524), (32760, 641643), (49140, 427762), (98280, 213881)]