21286696

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91753}}^1$

素因数の和:91788

約数の個数: 16

約数和(自身を含む): 41289300

約数和(自身を除く): 20002604

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91753, 183506, 367012, 734024, 2660837, 5321674, 10643348, 21286696]

約数ペア:

[(1, 21286696), (2, 10643348), (4, 5321674), (8, 2660837), (29, 734024), (58, 367012), (116, 183506), (232, 91753)]