21047192

素因数分解:

$2^3\times {\mathrm{563}}^1\times {\mathrm{4673}}^1$

素因数の和:5242

約数の個数: 16

約数和(自身を含む): 39542040

約数和(自身を除く): 18494848

約数列:

[1, 2, 4, 8, 563, 1126, 2252, 4504, 4673, 9346, 18692, 37384, 2630899, 5261798, 10523596, 21047192]

約数ペア:

[(1, 21047192), (2, 10523596), (4, 5261798), (8, 2630899), (563, 37384), (1126, 18692), (2252, 9346), (4504, 4673)]