21238041

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 31907232

約数和(自身を除く): 10669191

約数列:

[1, 3, 11, 33, 41, 121, 123, 363, 451, 1353, 1427, 4281, 4961, 14883, 15697, 47091, 58507, 172667, 175521, 518001, 643577, 1930731, 7079347, 21238041]

約数ペア:

[(1, 21238041), (3, 7079347), (11, 1930731), (33, 643577), (41, 518001), (121, 175521), (123, 172667), (363, 58507), (451, 47091), (1353, 15697), (1427, 14883), (4281, 4961)]