21339521281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1630091}}^1$

素因数の和:1630176

約数の個数: 16

約数和(自身を含む): 24646991040

約数和(自身を除く): 3307469759

約数列:

[1, 13, 19, 53, 247, 689, 1007, 13091, 1630091, 21191183, 30971729, 86394823, 402632477, 1123132699, 1641501637, 21339521281]

約数ペア:

[(1, 21339521281), (13, 1641501637), (19, 1123132699), (53, 402632477), (247, 86394823), (689, 30971729), (1007, 21191183), (13091, 1630091)]