21439232

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 43353240

約数和(自身を除く): 21914008

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 664, 1009, 1328, 2018, 2656, 4036, 5312, 8072, 10624, 16144, 21248, 32288, 64576, 83747, 129152, 167494, 258304, 334988, 669976, 1339952, 2679904, 5359808, 10719616, 21439232]

約数ペア:

[(1, 21439232), (2, 10719616), (4, 5359808), (8, 2679904), (16, 1339952), (32, 669976), (64, 334988), (83, 258304), (128, 167494), (166, 129152), (256, 83747), (332, 64576), (664, 32288), (1009, 21248), (1328, 16144), (2018, 10624), (2656, 8072), (4036, 5312)]