21075351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33613}}^1$

素因数の和:33646

約数の個数: 16

約数和(自身を含む): 32269440

約数和(自身を除く): 11194089

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33613, 100839, 369743, 638647, 1109229, 1915941, 7025117, 21075351]

約数ペア:

[(1, 21075351), (3, 7025117), (11, 1915941), (19, 1109229), (33, 638647), (57, 369743), (209, 100839), (627, 33613)]