21131396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36943}}^1$

素因数の和:36971

約数の個数: 24

約数和(自身を含む): 43446144

約数和(自身を除く): 22314748

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36943, 73886, 147772, 406373, 480259, 812746, 960518, 1625492, 1921036, 5282849, 10565698, 21131396]

約数ペア:

[(1, 21131396), (2, 10565698), (4, 5282849), (11, 1921036), (13, 1625492), (22, 960518), (26, 812746), (44, 480259), (52, 406373), (143, 147772), (286, 73886), (572, 36943)]