21098097

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2239}}^1$

素因数の和:2597

約数の個数: 16

約数和(自身を含む): 31360000

約数和(自身を除く): 10261903

約数列:

[1, 3, 9, 27, 349, 1047, 2239, 3141, 6717, 9423, 20151, 60453, 781411, 2344233, 7032699, 21098097]

約数ペア:

[(1, 21098097), (3, 7032699), (9, 2344233), (27, 781411), (349, 60453), (1047, 20151), (2239, 9423), (3141, 6717)]