21309299

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 24476256

約数和(自身を除く): 3166957

約数列:

[1, 11, 37, 41, 407, 451, 1277, 1517, 14047, 16687, 47249, 52357, 519739, 575927, 1937209, 21309299]

約数ペア:

[(1, 21309299), (11, 1937209), (37, 575927), (41, 519739), (407, 52357), (451, 47249), (1277, 16687), (1517, 14047)]