21899904

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 64774080

約数和(自身を除く): 42874176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 64, 78, 82, 96, 104, 107, 123, 128, 156, 164, 192, 208, 214, 246, 312, 321, 328, 384, 416, 428, 492, 533, 624, 642, 656, 832, 856, 984, 1066, 1248, 1284, 1312, 1391, 1599, 1664, 1712, 1968, 2132, 2496, 2568, 2624, 2782, 3198, 3424, 3936, 4173, 4264, 4387, 4992, 5136, 5248, 5564, 6396, 6848, 7872, 8346, 8528, 8774, 10272, 11128, 12792, 13161, 13696, 15744, 16692, 17056, 17548, 20544, 22256, 25584, 26322, 33384, 34112, 35096, 41088, 44512, 51168, 52644, 57031, 66768, 68224, 70192, 89024, 102336, 105288, 114062, 133536, 140384, 171093, 178048, 204672, 210576, 228124, 267072, 280768, 342186, 421152, 456248, 534144, 561536, 684372, 842304, 912496, 1368744, 1684608, 1824992, 2737488, 3649984, 5474976, 7299968, 10949952, 21899904]

約数ペア:

[(1, 21899904), (2, 10949952), (3, 7299968), (4, 5474976), (6, 3649984), (8, 2737488), (12, 1824992), (13, 1684608), (16, 1368744), (24, 912496), (26, 842304), (32, 684372), (39, 561536), (41, 534144), (48, 456248), (52, 421152), (64, 342186), (78, 280768), (82, 267072), (96, 228124), (104, 210576), (107, 204672), (123, 178048), (128, 171093), (156, 140384), (164, 133536), (192, 114062), (208, 105288), (214, 102336), (246, 89024), (312, 70192), (321, 68224), (328, 66768), (384, 57031), (416, 52644), (428, 51168), (492, 44512), (533, 41088), (624, 35096), (642, 34112), (656, 33384), (832, 26322), (856, 25584), (984, 22256), (1066, 20544), (1248, 17548), (1284, 17056), (1312, 16692), (1391, 15744), (1599, 13696), (1664, 13161), (1712, 12792), (1968, 11128), (2132, 10272), (2496, 8774), (2568, 8528), (2624, 8346), (2782, 7872), (3198, 6848), (3424, 6396), (3936, 5564), (4173, 5248), (4264, 5136), (4387, 4992)]