21904024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161059}}^1$

素因数の和:161082

約数の個数: 16

約数和(自身を含む): 43486200

約数和(自身を除く): 21582176

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161059, 322118, 644236, 1288472, 2738003, 5476006, 10952012, 21904024]

約数ペア:

[(1, 21904024), (2, 10952012), (4, 5476006), (8, 2738003), (17, 1288472), (34, 644236), (68, 322118), (136, 161059)]