21336639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2854

約数の個数: 16

約数和(自身を含む): 30172800

約数和(自身を除く): 8836161

約数列:

[1, 3, 19, 57, 139, 417, 2641, 2693, 7923, 8079, 51167, 153501, 374327, 1122981, 7112213, 21336639]

約数ペア:

[(1, 21336639), (3, 7112213), (19, 1122981), (57, 374327), (139, 153501), (417, 51167), (2641, 8079), (2693, 7923)]