21657389248

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 252

約数和(自身を含む): 51071897856

約数和(自身を除く): 29414508608

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 61, 64, 76, 88, 121, 122, 127, 152, 176, 209, 242, 244, 254, 304, 352, 361, 418, 484, 488, 508, 608, 671, 704, 722, 836, 968, 976, 1016, 1159, 1216, 1342, 1397, 1444, 1672, 1936, 1952, 2032, 2299, 2318, 2413, 2684, 2794, 2888, 3344, 3872, 3904, 3971, 4064, 4598, 4636, 4826, 5368, 5588, 5776, 6688, 7381, 7744, 7747, 7942, 8128, 9196, 9272, 9652, 10736, 11176, 11552, 12749, 13376, 14762, 15367, 15494, 15884, 18392, 18544, 19304, 21472, 22021, 22352, 23104, 25498, 26543, 29524, 30734, 30988, 31768, 36784, 37088, 38608, 42944, 43681, 44042, 44704, 45847, 50996, 53086, 59048, 61468, 61976, 63536, 73568, 74176, 77216, 85217, 87362, 88084, 89408, 91694, 101992, 106172, 118096, 122936, 123952, 127072, 140239, 147136, 147193, 154432, 170434, 174724, 176168, 183388, 203984, 212344, 236192, 242231, 245872, 247904, 254144, 280478, 291973, 294386, 340868, 349448, 352336, 366776, 407968, 424688, 472384, 484462, 491744, 495808, 504317, 560956, 583946, 588772, 681736, 698896, 704672, 733552, 815936, 849376, 937387, 968924, 983488, 1008634, 1121912, 1167892, 1177544, 1363472, 1397792, 1409344, 1467104, 1619123, 1698752, 1874774, 1937848, 2017268, 2243824, 2335784, 2355088, 2664541, 2726944, 2795584, 2796667, 2934208, 3238246, 3749548, 3875696, 4034536, 4487648, 4671568, 4710176, 5329082, 5453888, 5547487, 5593334, 6476492, 7499096, 7751392, 8069072, 8975296, 9343136, 9420352, 10658164, 11094974, 11186668, 12952984, 14998192, 15502784, 16138144, 17810353, 18686272, 21316328, 22189948, 22373336, 25905968, 29996384, 30763337, 32276288, 35620706, 42632656, 44379896, 44746672, 51811936, 59992768, 61526674, 71241412, 85265312, 88759792, 89493344, 103623872, 123053348, 142482824, 170530624, 177519584, 178986688, 246106696, 284965648, 338396707, 355039168, 492213392, 569931296, 676793414, 984426784, 1139862592, 1353586828, 1968853568, 2707173656, 5414347312, 10828694624, 21657389248]

約数ペア:

[(1, 21657389248), (2, 10828694624), (4, 5414347312), (8, 2707173656), (11, 1968853568), (16, 1353586828), (19, 1139862592), (22, 984426784), (32, 676793414), (38, 569931296), (44, 492213392), (61, 355039168), (64, 338396707), (76, 284965648), (88, 246106696), (121, 178986688), (122, 177519584), (127, 170530624), (152, 142482824), (176, 123053348), (209, 103623872), (242, 89493344), (244, 88759792), (254, 85265312), (304, 71241412), (352, 61526674), (361, 59992768), (418, 51811936), (484, 44746672), (488, 44379896), (508, 42632656), (608, 35620706), (671, 32276288), (704, 30763337), (722, 29996384), (836, 25905968), (968, 22373336), (976, 22189948), (1016, 21316328), (1159, 18686272), (1216, 17810353), (1342, 16138144), (1397, 15502784), (1444, 14998192), (1672, 12952984), (1936, 11186668), (1952, 11094974), (2032, 10658164), (2299, 9420352), (2318, 9343136), (2413, 8975296), (2684, 8069072), (2794, 7751392), (2888, 7499096), (3344, 6476492), (3872, 5593334), (3904, 5547487), (3971, 5453888), (4064, 5329082), (4598, 4710176), (4636, 4671568), (4826, 4487648), (5368, 4034536), (5588, 3875696), (5776, 3749548), (6688, 3238246), (7381, 2934208), (7744, 2796667), (7747, 2795584), (7942, 2726944), (8128, 2664541), (9196, 2355088), (9272, 2335784), (9652, 2243824), (10736, 2017268), (11176, 1937848), (11552, 1874774), (12749, 1698752), (13376, 1619123), (14762, 1467104), (15367, 1409344), (15494, 1397792), (15884, 1363472), (18392, 1177544), (18544, 1167892), (19304, 1121912), (21472, 1008634), (22021, 983488), (22352, 968924), (23104, 937387), (25498, 849376), (26543, 815936), (29524, 733552), (30734, 704672), (30988, 698896), (31768, 681736), (36784, 588772), (37088, 583946), (38608, 560956), (42944, 504317), (43681, 495808), (44042, 491744), (44704, 484462), (45847, 472384), (50996, 424688), (53086, 407968), (59048, 366776), (61468, 352336), (61976, 349448), (63536, 340868), (73568, 294386), (74176, 291973), (77216, 280478), (85217, 254144), (87362, 247904), (88084, 245872), (89408, 242231), (91694, 236192), (101992, 212344), (106172, 203984), (118096, 183388), (122936, 176168), (123952, 174724), (127072, 170434), (140239, 154432), (147136, 147193)]