21184256

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1096

約数の個数: 36

約数和(自身を含む): 42838152

約数和(自身を除く): 21653896

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 664, 997, 1328, 1994, 2656, 3988, 5312, 7976, 10624, 15952, 21248, 31904, 63808, 82751, 127616, 165502, 255232, 331004, 662008, 1324016, 2648032, 5296064, 10592128, 21184256]

約数ペア:

[(1, 21184256), (2, 10592128), (4, 5296064), (8, 2648032), (16, 1324016), (32, 662008), (64, 331004), (83, 255232), (128, 165502), (166, 127616), (256, 82751), (332, 63808), (664, 31904), (997, 21248), (1328, 15952), (1994, 10624), (2656, 7976), (3988, 5312)]