21566457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1217}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 34201440

約数和(自身を除く): 12634983

約数列:

[1, 3, 9, 11, 33, 99, 179, 537, 1217, 1611, 1969, 3651, 5907, 10953, 13387, 17721, 40161, 120483, 217843, 653529, 1960587, 2396273, 7188819, 21566457]

約数ペア:

[(1, 21566457), (3, 7188819), (9, 2396273), (11, 1960587), (33, 653529), (99, 217843), (179, 120483), (537, 40161), (1217, 17721), (1611, 13387), (1969, 10953), (3651, 5907)]