211345321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26947}}^1$

素因数の和:27012

約数の個数: 16

約数和(自身を含む): 248352768

約数和(自身を除く): 37007447

約数列:

[1, 11, 23, 31, 253, 341, 713, 7843, 26947, 296417, 619781, 835357, 6817591, 9188927, 19213211, 211345321]

約数ペア:

[(1, 211345321), (11, 19213211), (23, 9188927), (31, 6817591), (253, 835357), (341, 619781), (713, 296417), (7843, 26947)]