21032392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{138371}}^1$

素因数の和:138396

約数の個数: 16

約数和(自身を含む): 41511600

約数和(自身を除く): 20479208

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 138371, 276742, 553484, 1106968, 2629049, 5258098, 10516196, 21032392]

約数ペア:

[(1, 21032392), (2, 10516196), (4, 5258098), (8, 2629049), (19, 1106968), (38, 553484), (76, 276742), (152, 138371)]