21192809

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3332

約数の個数: 16

約数和(自身を含む): 25128960

約数和(自身を除く): 3936151

約数列:

[1, 11, 19, 31, 209, 341, 589, 3271, 6479, 35981, 62149, 101401, 683639, 1115411, 1926619, 21192809]

約数ペア:

[(1, 21192809), (11, 1926619), (19, 1115411), (31, 683639), (209, 101401), (341, 62149), (589, 35981), (3271, 6479)]