21000888012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134621077}}^1$

素因数の和:134621097

約数の個数: 24

約数和(自身を含む): 52771462576

約数和(自身を除く): 31770574564

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134621077, 269242154, 403863231, 538484308, 807726462, 1615452924, 1750074001, 3500148002, 5250222003, 7000296004, 10500444006, 21000888012]

約数ペア:

[(1, 21000888012), (2, 10500444006), (3, 7000296004), (4, 5250222003), (6, 3500148002), (12, 1750074001), (13, 1615452924), (26, 807726462), (39, 538484308), (52, 403863231), (78, 269242154), (156, 134621077)]