21074458

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 36

約数和(自身を含む): 35791902

約数和(自身を除く): 14717444

約数列:

[1, 2, 17, 19, 34, 38, 101, 202, 289, 323, 361, 578, 646, 722, 1717, 1919, 3434, 3838, 5491, 6137, 10982, 12274, 29189, 32623, 36461, 58378, 65246, 72922, 104329, 208658, 554591, 619837, 1109182, 1239674, 10537229, 21074458]

約数ペア:

[(1, 21074458), (2, 10537229), (17, 1239674), (19, 1109182), (34, 619837), (38, 554591), (101, 208658), (202, 104329), (289, 72922), (323, 65246), (361, 58378), (578, 36461), (646, 32623), (722, 29189), (1717, 12274), (1919, 10982), (3434, 6137), (3838, 5491)]