21545199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 33847632

約数和(自身を除く): 12302433

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1721, 4173, 5163, 12519, 15489, 22373, 67119, 184147, 201357, 552441, 1657323, 2393911, 7181733, 21545199]

約数ペア:

[(1, 21545199), (3, 7181733), (9, 2393911), (13, 1657323), (39, 552441), (107, 201357), (117, 184147), (321, 67119), (963, 22373), (1391, 15489), (1721, 12519), (4173, 5163)]