21167199

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 10937601

約数列:

[1, 3, 9, 23, 69, 207, 293, 349, 879, 1047, 2637, 3141, 6739, 8027, 20217, 24081, 60651, 72243, 102257, 306771, 920313, 2351911, 7055733, 21167199]

約数ペア:

[(1, 21167199), (3, 7055733), (9, 2351911), (23, 920313), (69, 306771), (207, 102257), (293, 72243), (349, 60651), (879, 24081), (1047, 20217), (2637, 8027), (3141, 6739)]