21347006

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2923

約数の個数: 16

約数和(自身を含む): 33145200

約数和(自身を除く): 11798194

約数列:

[1, 2, 43, 86, 89, 178, 2789, 3827, 5578, 7654, 119927, 239854, 248221, 496442, 10673503, 21347006]

約数ペア:

[(1, 21347006), (2, 10673503), (43, 496442), (86, 248221), (89, 239854), (178, 119927), (2789, 7654), (3827, 5578)]