21439128

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38839}}^1$

素因数の和:38871

約数の個数: 32

約数和(自身を含む): 55929600

約数和(自身を除く): 34490472

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38839, 77678, 116517, 155356, 233034, 310712, 466068, 893297, 932136, 1786594, 2679891, 3573188, 5359782, 7146376, 10719564, 21439128]

約数ペア:

[(1, 21439128), (2, 10719564), (3, 7146376), (4, 5359782), (6, 3573188), (8, 2679891), (12, 1786594), (23, 932136), (24, 893297), (46, 466068), (69, 310712), (92, 233034), (138, 155356), (184, 116517), (276, 77678), (552, 38839)]