21479256

素因数分解:

$2^3\times 3^6\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 112

約数和(自身を含む): 62956800

約数和(自身を除く): 41477544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 127, 162, 174, 216, 232, 243, 254, 261, 324, 348, 381, 486, 508, 522, 648, 696, 729, 762, 783, 972, 1016, 1044, 1143, 1458, 1524, 1566, 1944, 2088, 2286, 2349, 2916, 3048, 3132, 3429, 3683, 4572, 4698, 5832, 6264, 6858, 7047, 7366, 9144, 9396, 10287, 11049, 13716, 14094, 14732, 18792, 20574, 21141, 22098, 27432, 28188, 29464, 30861, 33147, 41148, 42282, 44196, 56376, 61722, 66294, 82296, 84564, 88392, 92583, 99441, 123444, 132588, 169128, 185166, 198882, 246888, 265176, 298323, 370332, 397764, 596646, 740664, 795528, 894969, 1193292, 1789938, 2386584, 2684907, 3579876, 5369814, 7159752, 10739628, 21479256]

約数ペア:

[(1, 21479256), (2, 10739628), (3, 7159752), (4, 5369814), (6, 3579876), (8, 2684907), (9, 2386584), (12, 1789938), (18, 1193292), (24, 894969), (27, 795528), (29, 740664), (36, 596646), (54, 397764), (58, 370332), (72, 298323), (81, 265176), (87, 246888), (108, 198882), (116, 185166), (127, 169128), (162, 132588), (174, 123444), (216, 99441), (232, 92583), (243, 88392), (254, 84564), (261, 82296), (324, 66294), (348, 61722), (381, 56376), (486, 44196), (508, 42282), (522, 41148), (648, 33147), (696, 30861), (729, 29464), (762, 28188), (783, 27432), (972, 22098), (1016, 21141), (1044, 20574), (1143, 18792), (1458, 14732), (1524, 14094), (1566, 13716), (1944, 11049), (2088, 10287), (2286, 9396), (2349, 9144), (2916, 7366), (3048, 7047), (3132, 6858), (3429, 6264), (3683, 5832), (4572, 4698)]