21566943

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 32179056

約数和(自身を除く): 10612113

約数列:

[1, 3, 9, 41, 123, 211, 277, 369, 633, 831, 1899, 2493, 8651, 11357, 25953, 34071, 58447, 77859, 102213, 175341, 526023, 2396327, 7188981, 21566943]

約数ペア:

[(1, 21566943), (3, 7188981), (9, 2396327), (41, 526023), (123, 175341), (211, 102213), (277, 77859), (369, 58447), (633, 34071), (831, 25953), (1899, 11357), (2493, 8651)]