21604059

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 33218640

約数和(自身を除く): 11614581

約数列:

[1, 3, 9, 17, 51, 153, 337, 419, 1011, 1257, 3033, 3771, 5729, 7123, 17187, 21369, 51561, 64107, 141203, 423609, 1270827, 2400451, 7201353, 21604059]

約数ペア:

[(1, 21604059), (3, 7201353), (9, 2400451), (17, 1270827), (51, 423609), (153, 141203), (337, 64107), (419, 51561), (1011, 21369), (1257, 17187), (3033, 7123), (3771, 5729)]