21161041244

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 46212096000

約数和(自身を除く): 25051054756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 127, 236, 238, 254, 289, 349, 413, 476, 508, 578, 698, 826, 889, 1003, 1156, 1396, 1652, 1778, 2006, 2023, 2159, 2443, 3556, 4012, 4046, 4318, 4886, 5933, 7021, 7493, 8092, 8636, 9772, 11866, 14042, 14986, 15113, 17051, 20591, 23732, 28084, 29972, 30226, 34102, 36703, 41182, 41531, 44323, 52451, 60452, 68204, 73406, 82364, 83062, 88646, 100861, 104902, 119357, 127381, 144137, 146812, 166124, 177292, 201722, 209804, 238714, 254762, 256921, 288274, 310261, 350047, 403444, 477428, 509524, 513842, 576548, 620522, 700094, 706027, 753491, 891667, 1027684, 1241044, 1400188, 1412054, 1506982, 1783334, 2165477, 2450329, 2615057, 2824108, 3013964, 3566668, 4330954, 4900658, 5230114, 5274437, 5950799, 8661908, 9801316, 10460228, 10548874, 11901598, 12809347, 15158339, 18305399, 21097748, 23803196, 25618694, 30316678, 36610798, 41655593, 44455969, 51237388, 60633356, 73221596, 83311186, 88911938, 89665429, 166622372, 177823876, 179330858, 311191783, 358661716, 622383566, 755751473, 1244767132, 1511502946, 3023005892, 5290260311, 10580520622, 21161041244]

約数ペア:

[(1, 21161041244), (2, 10580520622), (4, 5290260311), (7, 3023005892), (14, 1511502946), (17, 1244767132), (28, 755751473), (34, 622383566), (59, 358661716), (68, 311191783), (118, 179330858), (119, 177823876), (127, 166622372), (236, 89665429), (238, 88911938), (254, 83311186), (289, 73221596), (349, 60633356), (413, 51237388), (476, 44455969), (508, 41655593), (578, 36610798), (698, 30316678), (826, 25618694), (889, 23803196), (1003, 21097748), (1156, 18305399), (1396, 15158339), (1652, 12809347), (1778, 11901598), (2006, 10548874), (2023, 10460228), (2159, 9801316), (2443, 8661908), (3556, 5950799), (4012, 5274437), (4046, 5230114), (4318, 4900658), (4886, 4330954), (5933, 3566668), (7021, 3013964), (7493, 2824108), (8092, 2615057), (8636, 2450329), (9772, 2165477), (11866, 1783334), (14042, 1506982), (14986, 1412054), (15113, 1400188), (17051, 1241044), (20591, 1027684), (23732, 891667), (28084, 753491), (29972, 706027), (30226, 700094), (34102, 620522), (36703, 576548), (41182, 513842), (41531, 509524), (44323, 477428), (52451, 403444), (60452, 350047), (68204, 310261), (73406, 288274), (82364, 256921), (83062, 254762), (88646, 238714), (100861, 209804), (104902, 201722), (119357, 177292), (127381, 166124), (144137, 146812)]