21299427

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 32260800

約数和(自身を除く): 10961373

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1033, 2291, 3099, 6873, 9297, 20619, 29957, 81607, 89871, 244821, 269613, 734463, 2366603, 7099809, 21299427]

約数ペア:

[(1, 21299427), (3, 7099809), (9, 2366603), (29, 734463), (79, 269613), (87, 244821), (237, 89871), (261, 81607), (711, 29957), (1033, 20619), (2291, 9297), (3099, 6873)]