21492560520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2207}}^1$

素因数の和:2425

約数の個数: 256

約数和(自身を含む): 73256140800

約数和(自身を除く): 51763580280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 127, 135, 142, 180, 213, 216, 254, 270, 284, 355, 360, 381, 426, 508, 540, 568, 635, 639, 710, 762, 852, 1016, 1065, 1080, 1143, 1270, 1278, 1420, 1524, 1704, 1905, 1917, 2130, 2207, 2286, 2540, 2556, 2840, 3048, 3195, 3429, 3810, 3834, 4260, 4414, 4572, 5080, 5112, 5715, 6390, 6621, 6858, 7620, 7668, 8520, 8828, 9017, 9144, 9585, 11035, 11430, 12780, 13242, 13716, 15240, 15336, 17145, 17656, 18034, 19170, 19863, 22070, 22860, 25560, 26484, 27051, 27432, 33105, 34290, 36068, 38340, 39726, 44140, 45085, 45720, 52968, 54102, 59589, 66210, 68580, 72136, 76680, 79452, 81153, 88280, 90170, 99315, 108204, 119178, 132420, 135255, 137160, 156697, 158904, 162306, 180340, 198630, 216408, 238356, 243459, 264840, 270510, 280289, 297945, 313394, 324612, 360680, 397260, 405765, 470091, 476712, 486918, 541020, 560578, 595890, 626788, 649224, 783485, 794520, 811530, 840867, 940182, 973836, 1082040, 1121156, 1191780, 1217295, 1253576, 1401445, 1410273, 1566970, 1623060, 1681734, 1880364, 1947672, 2242312, 2350455, 2383560, 2434590, 2522601, 2802890, 2820546, 3133940, 3246120, 3363468, 3760728, 4204335, 4230819, 4700910, 4869180, 5045202, 5605780, 5641092, 6267880, 6726936, 7051365, 7567803, 8408670, 8461638, 9401820, 9738360, 10090404, 11211560, 11282184, 12613005, 14102730, 15135606, 16817340, 16923276, 18803640, 19900519, 20180808, 21154095, 25226010, 28205460, 30271212, 33634680, 33846552, 37839015, 39801038, 42308190, 50452020, 56410920, 59701557, 60542424, 75678030, 79602076, 84616380, 99502595, 100904040, 119403114, 151356060, 159204152, 169232760, 179104671, 199005190, 238806228, 298507785, 302712120, 358209342, 398010380, 477612456, 537314013, 597015570, 716418684, 796020760, 895523355, 1074628026, 1194031140, 1432837368, 1791046710, 2149256052, 2388062280, 2686570065, 3582093420, 4298512104, 5373140130, 7164186840, 10746280260, 21492560520]

約数ペア:

[(1, 21492560520), (2, 10746280260), (3, 7164186840), (4, 5373140130), (5, 4298512104), (6, 3582093420), (8, 2686570065), (9, 2388062280), (10, 2149256052), (12, 1791046710), (15, 1432837368), (18, 1194031140), (20, 1074628026), (24, 895523355), (27, 796020760), (30, 716418684), (36, 597015570), (40, 537314013), (45, 477612456), (54, 398010380), (60, 358209342), (71, 302712120), (72, 298507785), (90, 238806228), (108, 199005190), (120, 179104671), (127, 169232760), (135, 159204152), (142, 151356060), (180, 119403114), (213, 100904040), (216, 99502595), (254, 84616380), (270, 79602076), (284, 75678030), (355, 60542424), (360, 59701557), (381, 56410920), (426, 50452020), (508, 42308190), (540, 39801038), (568, 37839015), (635, 33846552), (639, 33634680), (710, 30271212), (762, 28205460), (852, 25226010), (1016, 21154095), (1065, 20180808), (1080, 19900519), (1143, 18803640), (1270, 16923276), (1278, 16817340), (1420, 15135606), (1524, 14102730), (1704, 12613005), (1905, 11282184), (1917, 11211560), (2130, 10090404), (2207, 9738360), (2286, 9401820), (2540, 8461638), (2556, 8408670), (2840, 7567803), (3048, 7051365), (3195, 6726936), (3429, 6267880), (3810, 5641092), (3834, 5605780), (4260, 5045202), (4414, 4869180), (4572, 4700910), (5080, 4230819), (5112, 4204335), (5715, 3760728), (6390, 3363468), (6621, 3246120), (6858, 3133940), (7620, 2820546), (7668, 2802890), (8520, 2522601), (8828, 2434590), (9017, 2383560), (9144, 2350455), (9585, 2242312), (11035, 1947672), (11430, 1880364), (12780, 1681734), (13242, 1623060), (13716, 1566970), (15240, 1410273), (15336, 1401445), (17145, 1253576), (17656, 1217295), (18034, 1191780), (19170, 1121156), (19863, 1082040), (22070, 973836), (22860, 940182), (25560, 840867), (26484, 811530), (27051, 794520), (27432, 783485), (33105, 649224), (34290, 626788), (36068, 595890), (38340, 560578), (39726, 541020), (44140, 486918), (45085, 476712), (45720, 470091), (52968, 405765), (54102, 397260), (59589, 360680), (66210, 324612), (68580, 313394), (72136, 297945), (76680, 280289), (79452, 270510), (81153, 264840), (88280, 243459), (90170, 238356), (99315, 216408), (108204, 198630), (119178, 180340), (132420, 162306), (135255, 158904), (137160, 156697)]