21549873

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 30932608

約数和(自身を除く): 9382735

約数列:

[1, 3, 23, 37, 69, 111, 367, 529, 851, 1101, 1587, 2553, 8441, 13579, 19573, 25323, 40737, 58719, 194143, 312317, 582429, 936951, 7183291, 21549873]

約数ペア:

[(1, 21549873), (3, 7183291), (23, 936951), (37, 582429), (69, 312317), (111, 194143), (367, 58719), (529, 40737), (851, 25323), (1101, 19573), (1587, 13579), (2553, 8441)]