21131886

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{22433}}^1$

素因数の和:22595

約数の個数: 16

約数和(自身を含む): 42534864

約数和(自身を除く): 21402978

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 22433, 44866, 67299, 134598, 3521981, 7043962, 10565943, 21131886]

約数ペア:

[(1, 21131886), (2, 10565943), (3, 7043962), (6, 3521981), (157, 134598), (314, 67299), (471, 44866), (942, 22433)]