21046129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 24068800

約数和(自身を除く): 3022671

約数列:

[1, 13, 19, 139, 247, 613, 1807, 2641, 7969, 11647, 34333, 85207, 151411, 1107691, 1618933, 21046129]

約数ペア:

[(1, 21046129), (13, 1618933), (19, 1107691), (139, 151411), (247, 85207), (613, 34333), (1807, 11647), (2641, 7969)]