21274191

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46349}}^1$

素因数の和:46375

約数の個数: 16

約数和(自身を含む): 33372000

約数和(自身を除く): 12097809

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46349, 139047, 417141, 787933, 1251423, 2363799, 7091397, 21274191]

約数ペア:

[(1, 21274191), (3, 7091397), (9, 2363799), (17, 1251423), (27, 787933), (51, 417141), (153, 139047), (459, 46349)]