21887998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6337}}^1$

素因数の和:6507

約数の個数: 16

約数和(自身を含む): 36050544

約数和(自身を除く): 14162546

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6337, 12674, 69707, 139414, 994909, 1989818, 10943999, 21887998]

約数ペア:

[(1, 21887998), (2, 10943999), (11, 1989818), (22, 994909), (157, 139414), (314, 69707), (1727, 12674), (3454, 6337)]