21772564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1117}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 41696928

約数和(自身を除く): 19924364

約数列:

[1, 2, 4, 11, 22, 44, 443, 886, 1117, 1772, 2234, 4468, 4873, 9746, 12287, 19492, 24574, 49148, 494831, 989662, 1979324, 5443141, 10886282, 21772564]

約数ペア:

[(1, 21772564), (2, 10886282), (4, 5443141), (11, 1979324), (22, 989662), (44, 494831), (443, 49148), (886, 24574), (1117, 19492), (1772, 12287), (2234, 9746), (4468, 4873)]