21426053

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 25405440

約数和(自身を除く): 3979387

約数列:

[1, 11, 19, 31, 209, 341, 589, 3307, 6479, 36377, 62833, 102517, 691163, 1127687, 1947823, 21426053]

約数ペア:

[(1, 21426053), (11, 1947823), (19, 1127687), (31, 691163), (209, 102517), (341, 62833), (589, 36377), (3307, 6479)]