21584866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20479}}^1$

素因数の和:20529

約数の個数: 16

約数和(自身を含む): 35389440

約数和(自身を除く): 13804574

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20479, 40958, 348143, 634849, 696286, 1269698, 10792433, 21584866]

約数ペア:

[(1, 21584866), (2, 10792433), (17, 1269698), (31, 696286), (34, 634849), (62, 348143), (527, 40958), (1054, 20479)]