21497272

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{116833}}^1$

素因数の和:116862

約数の個数: 16

約数和(自身を含む): 42060240

約数和(自身を除く): 20562968

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 116833, 233666, 467332, 934664, 2687159, 5374318, 10748636, 21497272]

約数ペア:

[(1, 21497272), (2, 10748636), (4, 5374318), (8, 2687159), (23, 934664), (46, 467332), (92, 233666), (184, 116833)]