21744459

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 34444800

約数和(自身を除く): 12700341

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 919, 2151, 2629, 2757, 7887, 8271, 10109, 23661, 30327, 90981, 219641, 658923, 1976769, 2416051, 7248153, 21744459]

約数ペア:

[(1, 21744459), (3, 7248153), (9, 2416051), (11, 1976769), (33, 658923), (99, 219641), (239, 90981), (717, 30327), (919, 23661), (2151, 10109), (2629, 8271), (2757, 7887)]