21237564

素因数分解:

$2^2\times 3^1\times {\mathrm{1289}}^1\times {\mathrm{1373}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 49628880

約数和(自身を除く): 28391316

約数列:

[1, 2, 3, 4, 6, 12, 1289, 1373, 2578, 2746, 3867, 4119, 5156, 5492, 7734, 8238, 15468, 16476, 1769797, 3539594, 5309391, 7079188, 10618782, 21237564]

約数ペア:

[(1, 21237564), (2, 10618782), (3, 7079188), (4, 5309391), (6, 3539594), (12, 1769797), (1289, 16476), (1373, 15468), (2578, 8238), (2746, 7734), (3867, 5492), (4119, 5156)]