21000798729

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{357503}}^1$

素因数の和:357677

約数の個数: 24

約数和(自身を含む): 31120008192

約数和(自身を除く): 10119209463

約数列:

[1, 3, 9, 61, 107, 183, 321, 549, 963, 6527, 19581, 58743, 357503, 1072509, 3217527, 21807683, 38252821, 65423049, 114758463, 196269147, 344275389, 2333422081, 7000266243, 21000798729]

約数ペア:

[(1, 21000798729), (3, 7000266243), (9, 2333422081), (61, 344275389), (107, 196269147), (183, 114758463), (321, 65423049), (549, 38252821), (963, 21807683), (6527, 3217527), (19581, 1072509), (58743, 357503)]