21589311

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 30659200

約数和(自身を除く): 9069889

約数列:

[1, 3, 29, 43, 87, 129, 199, 597, 841, 1247, 2523, 3741, 5771, 8557, 17313, 25671, 36163, 108489, 167359, 248153, 502077, 744459, 7196437, 21589311]

約数ペア:

[(1, 21589311), (3, 7196437), (29, 744459), (43, 502077), (87, 248153), (129, 167359), (199, 108489), (597, 36163), (841, 25671), (1247, 17313), (2523, 8557), (3741, 5771)]