21408584

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{116351}}^1$

素因数の和:116380

約数の個数: 16

約数和(自身を含む): 41886720

約数和(自身を除く): 20478136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 116351, 232702, 465404, 930808, 2676073, 5352146, 10704292, 21408584]

約数ペア:

[(1, 21408584), (2, 10704292), (4, 5352146), (8, 2676073), (23, 930808), (46, 465404), (92, 232702), (184, 116351)]