21082227

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{863}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 8777613

約数列:

[1, 3, 17, 51, 479, 863, 1437, 2589, 8143, 14671, 24429, 44013, 413377, 1240131, 7027409, 21082227]

約数ペア:

[(1, 21082227), (3, 7027409), (17, 1240131), (51, 413377), (479, 44013), (863, 24429), (1437, 14671), (2589, 8143)]