21270516

素因数分解:

$2^2\times 3^1\times {\mathrm{1291}}^1\times {\mathrm{1373}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 49705824

約数和(自身を除く): 28435308

約数列:

[1, 2, 3, 4, 6, 12, 1291, 1373, 2582, 2746, 3873, 4119, 5164, 5492, 7746, 8238, 15492, 16476, 1772543, 3545086, 5317629, 7090172, 10635258, 21270516]

約数ペア:

[(1, 21270516), (2, 10635258), (3, 7090172), (4, 5317629), (6, 3545086), (12, 1772543), (1291, 16476), (1373, 15492), (2582, 8238), (2746, 7746), (3873, 5492), (4119, 5164)]