21148214

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1433}}^1$

素因数の和:1639

約数の個数: 16

約数和(自身を含む): 32626368

約数和(自身を除く): 11478154

約数列:

[1, 2, 47, 94, 157, 314, 1433, 2866, 7379, 14758, 67351, 134702, 224981, 449962, 10574107, 21148214]

約数ペア:

[(1, 21148214), (2, 10574107), (47, 449962), (94, 224981), (157, 134702), (314, 67351), (1433, 14758), (2866, 7379)]