21087242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56383}}^1$

素因数の和:56413

約数の個数: 16

約数和(自身を含む): 36536832

約数和(自身を除く): 15449590

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56383, 112766, 620213, 958511, 1240426, 1917022, 10543621, 21087242]

約数ペア:

[(1, 21087242), (2, 10543621), (11, 1917022), (17, 1240426), (22, 958511), (34, 620213), (187, 112766), (374, 56383)]