21205341

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46199}}^1$

素因数の和:46225

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12058659

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46199, 138597, 415791, 785383, 1247373, 2356149, 7068447, 21205341]

約数ペア:

[(1, 21205341), (3, 7068447), (9, 2356149), (17, 1247373), (27, 785383), (51, 415791), (153, 138597), (459, 46199)]