21494521

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:300

約数の個数: 16

約数和(自身を含む): 22924944

約数和(自身を除く): 1430423

約数列:

[1, 37, 53, 97, 113, 1961, 3589, 4181, 5141, 5989, 10961, 190217, 221593, 405557, 580933, 21494521]

約数ペア:

[(1, 21494521), (37, 580933), (53, 405557), (97, 221593), (113, 190217), (1961, 10961), (3589, 5989), (4181, 5141)]