20214761721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3017579}}^1$

素因数の和:3017629

約数の個数: 32

約数和(自身を含む): 34762521600

約数和(自身を除く): 14547759879

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 6699, 3017579, 9052737, 21123053, 33193369, 63369159, 87509791, 99580107, 232353583, 262529373, 612568537, 697060749, 962607701, 1837705611, 2887823103, 6738253907, 20214761721]

約数ペア:

[(1, 20214761721), (3, 6738253907), (7, 2887823103), (11, 1837705611), (21, 962607701), (29, 697060749), (33, 612568537), (77, 262529373), (87, 232353583), (203, 99580107), (231, 87509791), (319, 63369159), (609, 33193369), (957, 21123053), (2233, 9052737), (6699, 3017579)]