21025653

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10799}}^1$

素因数の和:10872

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 10078347

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10799, 32397, 118789, 356367, 637141, 1911423, 7008551, 21025653]

約数ペア:

[(1, 21025653), (3, 7008551), (11, 1911423), (33, 637141), (59, 356367), (177, 118789), (649, 32397), (1947, 10799)]