21000992199

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1\times {\mathrm{204431}}^1$

素因数の和:204739

約数の個数: 24

約数和(自身を含む): 30887222016

約数和(自身を除く): 9886229817

約数列:

[1, 3, 11, 33, 121, 283, 363, 849, 3113, 9339, 34243, 102729, 204431, 613293, 2248741, 6746223, 24736151, 57853973, 74208453, 173561919, 636393703, 1909181109, 7000330733, 21000992199]

約数ペア:

[(1, 21000992199), (3, 7000330733), (11, 1909181109), (33, 636393703), (121, 173561919), (283, 74208453), (363, 57853973), (849, 24736151), (3113, 6746223), (9339, 2248741), (34243, 613293), (102729, 204431)]