21384351

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46589}}^1$

素因数の和:46615

約数の個数: 16

約数和(自身を含む): 33544800

約数和(自身を除く): 12160449

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46589, 139767, 419301, 792013, 1257903, 2376039, 7128117, 21384351]

約数ペア:

[(1, 21384351), (3, 7128117), (9, 2376039), (17, 1257903), (27, 792013), (51, 419301), (153, 139767), (459, 46589)]