21240062

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{3347}}^1$

素因数の和:3535

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12507778

約数列:

[1, 2, 19, 38, 167, 334, 3173, 3347, 6346, 6694, 63593, 127186, 558949, 1117898, 10620031, 21240062]

約数ペア:

[(1, 21240062), (2, 10620031), (19, 1117898), (38, 558949), (167, 127186), (334, 63593), (3173, 6694), (3347, 6346)]