21000902508

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2963}}^1$

素因数の和:3109

約数の個数: 192

約数和(自身を含む): 58957516800

約数和(自身を除く): 37956614292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 73, 87, 93, 108, 116, 124, 146, 174, 186, 219, 261, 279, 292, 348, 372, 438, 522, 558, 657, 783, 837, 876, 899, 1044, 1116, 1314, 1566, 1674, 1798, 1971, 2117, 2263, 2628, 2697, 2963, 3132, 3348, 3596, 3942, 4234, 4526, 5394, 5926, 6351, 6789, 7884, 8091, 8468, 8889, 9052, 10788, 11852, 12702, 13578, 16182, 17778, 19053, 20367, 24273, 25404, 26667, 27156, 32364, 35556, 38106, 40734, 48546, 53334, 57159, 61101, 65627, 76212, 80001, 81468, 85927, 91853, 97092, 106668, 114318, 122202, 131254, 160002, 171854, 183706, 196881, 216299, 228636, 244404, 257781, 262508, 275559, 320004, 343708, 367412, 393762, 432598, 515562, 551118, 590643, 648897, 773343, 787524, 826677, 865196, 1031124, 1102236, 1181286, 1297794, 1546686, 1653354, 1771929, 1946691, 2320029, 2362572, 2480031, 2595588, 2663737, 3093372, 3306708, 3543858, 3893382, 4640058, 4960062, 5327474, 5840073, 6272671, 6705269, 7087716, 7786764, 7991211, 9280116, 9920124, 10654948, 11680146, 12545342, 13410538, 15982422, 18818013, 20115807, 23360292, 23973633, 25090684, 26821076, 31964844, 37636026, 40231614, 47947266, 56454039, 60347421, 71920899, 75272052, 80463228, 95894532, 112908078, 120694842, 143841798, 169362117, 181042263, 194452801, 225816156, 241389684, 287683596, 338724234, 362084526, 388905602, 583358403, 677448468, 724169052, 777811204, 1166716806, 1750075209, 2333433612, 3500150418, 5250225627, 7000300836, 10500451254, 21000902508]

約数ペア:

[(1, 21000902508), (2, 10500451254), (3, 7000300836), (4, 5250225627), (6, 3500150418), (9, 2333433612), (12, 1750075209), (18, 1166716806), (27, 777811204), (29, 724169052), (31, 677448468), (36, 583358403), (54, 388905602), (58, 362084526), (62, 338724234), (73, 287683596), (87, 241389684), (93, 225816156), (108, 194452801), (116, 181042263), (124, 169362117), (146, 143841798), (174, 120694842), (186, 112908078), (219, 95894532), (261, 80463228), (279, 75272052), (292, 71920899), (348, 60347421), (372, 56454039), (438, 47947266), (522, 40231614), (558, 37636026), (657, 31964844), (783, 26821076), (837, 25090684), (876, 23973633), (899, 23360292), (1044, 20115807), (1116, 18818013), (1314, 15982422), (1566, 13410538), (1674, 12545342), (1798, 11680146), (1971, 10654948), (2117, 9920124), (2263, 9280116), (2628, 7991211), (2697, 7786764), (2963, 7087716), (3132, 6705269), (3348, 6272671), (3596, 5840073), (3942, 5327474), (4234, 4960062), (4526, 4640058), (5394, 3893382), (5926, 3543858), (6351, 3306708), (6789, 3093372), (7884, 2663737), (8091, 2595588), (8468, 2480031), (8889, 2362572), (9052, 2320029), (10788, 1946691), (11852, 1771929), (12702, 1653354), (13578, 1546686), (16182, 1297794), (17778, 1181286), (19053, 1102236), (20367, 1031124), (24273, 865196), (25404, 826677), (26667, 787524), (27156, 773343), (32364, 648897), (35556, 590643), (38106, 551118), (40734, 515562), (48546, 432598), (53334, 393762), (57159, 367412), (61101, 343708), (65627, 320004), (76212, 275559), (80001, 262508), (81468, 257781), (85927, 244404), (91853, 228636), (97092, 216299), (106668, 196881), (114318, 183706), (122202, 171854), (131254, 160002)]