21828605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 27007344

約数和(自身を除く): 5178739

約数列:

[1, 5, 41, 205, 233, 457, 1165, 2285, 9553, 18737, 47765, 93685, 106481, 532405, 4365721, 21828605]

約数ペア:

[(1, 21828605), (5, 4365721), (41, 532405), (205, 106481), (233, 93685), (457, 47765), (1165, 18737), (2285, 9553)]