2086821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 3335904

約数和(自身を除く): 1249083

約数列:

[1, 3, 9, 11, 33, 99, 107, 197, 321, 591, 963, 1177, 1773, 2167, 3531, 6501, 10593, 19503, 21079, 63237, 189711, 231869, 695607, 2086821]

約数ペア:

[(1, 2086821), (3, 695607), (9, 231869), (11, 189711), (33, 63237), (99, 21079), (107, 19503), (197, 10593), (321, 6501), (591, 3531), (963, 2167), (1177, 1773)]