21249027

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{13339}}^1$

素因数の和:13407

約数の個数: 16

約数和(自身を含む): 32016000

約数和(自身を除く): 10766973

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 13339, 40017, 120051, 360153, 787001, 2361003, 7083009, 21249027]

約数ペア:

[(1, 21249027), (3, 7083009), (9, 2361003), (27, 787001), (59, 360153), (177, 120051), (531, 40017), (1593, 13339)]