21439728

素因数分解:

$2^4\times 3^4\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 100

約数和(自身を含む): 63196848

約数和(自身を除く): 41757120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 81, 108, 142, 144, 162, 213, 216, 233, 284, 324, 426, 432, 466, 568, 639, 648, 699, 852, 932, 1136, 1278, 1296, 1398, 1704, 1864, 1917, 2097, 2556, 2796, 3408, 3728, 3834, 4194, 5112, 5592, 5751, 6291, 7668, 8388, 10224, 11184, 11502, 12582, 15336, 16543, 16776, 18873, 23004, 25164, 30672, 33086, 33552, 37746, 46008, 49629, 50328, 66172, 75492, 92016, 99258, 100656, 132344, 148887, 150984, 198516, 264688, 297774, 301968, 397032, 446661, 595548, 794064, 893322, 1191096, 1339983, 1786644, 2382192, 2679966, 3573288, 5359932, 7146576, 10719864, 21439728]

約数ペア:

[(1, 21439728), (2, 10719864), (3, 7146576), (4, 5359932), (6, 3573288), (8, 2679966), (9, 2382192), (12, 1786644), (16, 1339983), (18, 1191096), (24, 893322), (27, 794064), (36, 595548), (48, 446661), (54, 397032), (71, 301968), (72, 297774), (81, 264688), (108, 198516), (142, 150984), (144, 148887), (162, 132344), (213, 100656), (216, 99258), (233, 92016), (284, 75492), (324, 66172), (426, 50328), (432, 49629), (466, 46008), (568, 37746), (639, 33552), (648, 33086), (699, 30672), (852, 25164), (932, 23004), (1136, 18873), (1278, 16776), (1296, 16543), (1398, 15336), (1704, 12582), (1864, 11502), (1917, 11184), (2097, 10224), (2556, 8388), (2796, 7668), (3408, 6291), (3728, 5751), (3834, 5592), (4194, 5112)]