21316419

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46441}}^1$

素因数の和:46467

約数の個数: 16

約数和(自身を含む): 33438240

約数和(自身を除く): 12121821

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46441, 139323, 417969, 789497, 1253907, 2368491, 7105473, 21316419]

約数ペア:

[(1, 21316419), (3, 7105473), (9, 2368491), (17, 1253907), (27, 789497), (51, 417969), (153, 139323), (459, 46441)]