21672559

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2277521

約数列:

[1, 19, 41, 43, 647, 779, 817, 1763, 12293, 26527, 27821, 33497, 504013, 528599, 1140661, 21672559]

約数ペア:

[(1, 21672559), (19, 1140661), (41, 528599), (43, 504013), (647, 33497), (779, 27821), (817, 26527), (1763, 12293)]