21369017

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 23712912

約数和(自身を除く): 2343895

約数列:

[1, 17, 37, 53, 629, 641, 901, 1961, 10897, 23717, 33337, 33973, 403189, 577541, 1257001, 21369017]

約数ペア:

[(1, 21369017), (17, 1257001), (37, 577541), (53, 403189), (629, 33973), (641, 33337), (901, 23717), (1961, 10897)]