21860366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6329}}^1$

素因数の和:6499

約数の個数: 16

約数和(自身を含む): 36005040

約数和(自身を除く): 14144674

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6329, 12658, 69619, 139238, 993653, 1987306, 10930183, 21860366]

約数ペア:

[(1, 21860366), (2, 10930183), (11, 1987306), (22, 993653), (157, 139238), (314, 69619), (1727, 12658), (3454, 6329)]