21583827

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3464

約数の個数: 20

約数和(自身を含む): 32660320

約数和(自身を除く): 11076493

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3373, 6399, 10119, 30357, 91071, 266467, 273213, 799401, 2398203, 7194609, 21583827]

約数ペア:

[(1, 21583827), (3, 7194609), (9, 2398203), (27, 799401), (79, 273213), (81, 266467), (237, 91071), (711, 30357), (2133, 10119), (3373, 6399)]