21459984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:82

約数の個数: 160

約数和(自身を含む): 72495360

約数和(自身を除く): 51035376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 289, 312, 336, 357, 364, 408, 442, 476, 546, 578, 624, 663, 714, 728, 816, 867, 884, 952, 1092, 1156, 1326, 1428, 1456, 1547, 1734, 1768, 1904, 2023, 2184, 2312, 2652, 2856, 3094, 3468, 3536, 3757, 4046, 4368, 4624, 4641, 4913, 5304, 5712, 6069, 6188, 6936, 7514, 8092, 9282, 9826, 10608, 11271, 12138, 12376, 13872, 14739, 15028, 16184, 18564, 19652, 22542, 24276, 24752, 26299, 29478, 30056, 32368, 34391, 37128, 39304, 45084, 48552, 52598, 58956, 60112, 63869, 68782, 74256, 78608, 78897, 90168, 97104, 103173, 105196, 117912, 127738, 137564, 157794, 180336, 191607, 206346, 210392, 235824, 255476, 275128, 315588, 383214, 412692, 420784, 447083, 510952, 550256, 631176, 766428, 825384, 894166, 1021904, 1262352, 1341249, 1532856, 1650768, 1788332, 2682498, 3065712, 3576664, 5364996, 7153328, 10729992, 21459984]

約数ペア:

[(1, 21459984), (2, 10729992), (3, 7153328), (4, 5364996), (6, 3576664), (7, 3065712), (8, 2682498), (12, 1788332), (13, 1650768), (14, 1532856), (16, 1341249), (17, 1262352), (21, 1021904), (24, 894166), (26, 825384), (28, 766428), (34, 631176), (39, 550256), (42, 510952), (48, 447083), (51, 420784), (52, 412692), (56, 383214), (68, 315588), (78, 275128), (84, 255476), (91, 235824), (102, 210392), (104, 206346), (112, 191607), (119, 180336), (136, 157794), (156, 137564), (168, 127738), (182, 117912), (204, 105196), (208, 103173), (221, 97104), (238, 90168), (272, 78897), (273, 78608), (289, 74256), (312, 68782), (336, 63869), (357, 60112), (364, 58956), (408, 52598), (442, 48552), (476, 45084), (546, 39304), (578, 37128), (624, 34391), (663, 32368), (714, 30056), (728, 29478), (816, 26299), (867, 24752), (884, 24276), (952, 22542), (1092, 19652), (1156, 18564), (1326, 16184), (1428, 15028), (1456, 14739), (1547, 13872), (1734, 12376), (1768, 12138), (1904, 11271), (2023, 10608), (2184, 9826), (2312, 9282), (2652, 8092), (2856, 7514), (3094, 6936), (3468, 6188), (3536, 6069), (3757, 5712), (4046, 5304), (4368, 4913), (4624, 4641)]