21127399

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 22947840

約数和(自身を除く): 1820441

約数列:

[1, 29, 31, 71, 331, 899, 2059, 2201, 9599, 10261, 23501, 63829, 297569, 681529, 728531, 21127399]

約数ペア:

[(1, 21127399), (29, 728531), (31, 681529), (71, 297569), (331, 63829), (899, 23501), (2059, 10261), (2201, 9599)]