21286683

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{1777}}^1$

素因数の和:1816

約数の個数: 24

約数和(自身を含む): 33838896

約数和(自身を除く): 12552213

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331, 1777, 3993, 5331, 11979, 15993, 19547, 58641, 175923, 215017, 645051, 1935153, 2365187, 7095561, 21286683]

約数ペア:

[(1, 21286683), (3, 7095561), (9, 2365187), (11, 1935153), (33, 645051), (99, 215017), (121, 175923), (363, 58641), (1089, 19547), (1331, 15993), (1777, 11979), (3993, 5331)]