21056224

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 50996736

約数和(自身を除く): 29940512

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 61, 67, 92, 112, 122, 134, 161, 184, 224, 244, 268, 322, 368, 427, 469, 488, 536, 644, 736, 854, 938, 976, 1072, 1288, 1403, 1541, 1708, 1876, 1952, 2144, 2576, 2806, 3082, 3416, 3752, 4087, 5152, 5612, 6164, 6832, 7504, 8174, 9821, 10787, 11224, 12328, 13664, 15008, 16348, 19642, 21574, 22448, 24656, 28609, 32696, 39284, 43148, 44896, 49312, 57218, 65392, 78568, 86296, 94001, 114436, 130784, 157136, 172592, 188002, 228872, 314272, 345184, 376004, 457744, 658007, 752008, 915488, 1316014, 1504016, 2632028, 3008032, 5264056, 10528112, 21056224]

約数ペア:

[(1, 21056224), (2, 10528112), (4, 5264056), (7, 3008032), (8, 2632028), (14, 1504016), (16, 1316014), (23, 915488), (28, 752008), (32, 658007), (46, 457744), (56, 376004), (61, 345184), (67, 314272), (92, 228872), (112, 188002), (122, 172592), (134, 157136), (161, 130784), (184, 114436), (224, 94001), (244, 86296), (268, 78568), (322, 65392), (368, 57218), (427, 49312), (469, 44896), (488, 43148), (536, 39284), (644, 32696), (736, 28609), (854, 24656), (938, 22448), (976, 21574), (1072, 19642), (1288, 16348), (1403, 15008), (1541, 13664), (1708, 12328), (1876, 11224), (1952, 10787), (2144, 9821), (2576, 8174), (2806, 7504), (3082, 6832), (3416, 6164), (3752, 5612), (4087, 5152)]