21310647

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{811}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 8700873

約数列:

[1, 3, 19, 57, 461, 811, 1383, 2433, 8759, 15409, 26277, 46227, 373871, 1121613, 7103549, 21310647]

約数ペア:

[(1, 21310647), (3, 7103549), (19, 1121613), (57, 373871), (461, 46227), (811, 26277), (1383, 15409), (2433, 8759)]