21248113

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 24247296

約数和(自身を除く): 2999183

約数列:

[1, 17, 23, 31, 391, 527, 713, 1753, 12121, 29801, 40319, 54343, 685423, 923831, 1249889, 21248113]

約数ペア:

[(1, 21248113), (17, 1249889), (23, 923831), (31, 685423), (391, 54343), (527, 40319), (713, 29801), (1753, 12121)]