21021468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134753}}^1$

素因数の和:134773

約数の個数: 24

約数和(自身を含む): 52823568

約数和(自身を除く): 31802100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134753, 269506, 404259, 539012, 808518, 1617036, 1751789, 3503578, 5255367, 7007156, 10510734, 21021468]

約数ペア:

[(1, 21021468), (2, 10510734), (3, 7007156), (4, 5255367), (6, 3503578), (12, 1751789), (13, 1617036), (26, 808518), (39, 539012), (52, 404259), (78, 269506), (156, 134753)]