21306073653

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19246679}}^1$

素因数の和:19246729

約数の個数: 16

約数和(自身を含む): 32334422400

約数和(自身を除く): 11028348747

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19246679, 57740037, 173220111, 519660333, 789113839, 2367341517, 7102024551, 21306073653]

約数ペア:

[(1, 21306073653), (3, 7102024551), (9, 2367341517), (27, 789113839), (41, 519660333), (123, 173220111), (369, 57740037), (1107, 19246679)]