21202077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 32635008

約数和(自身を除く): 11432931

約数列:

[1, 3, 13, 17, 39, 51, 113, 221, 283, 339, 663, 849, 1469, 1921, 3679, 4407, 4811, 5763, 11037, 14433, 24973, 31979, 62543, 74919, 95937, 187629, 415727, 543643, 1247181, 1630929, 7067359, 21202077]

約数ペア:

[(1, 21202077), (3, 7067359), (13, 1630929), (17, 1247181), (39, 543643), (51, 415727), (113, 187629), (221, 95937), (283, 74919), (339, 62543), (663, 31979), (849, 24973), (1469, 14433), (1921, 11037), (3679, 5763), (4407, 4811)]