21336968

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24469}}^1$

素因数の和:24584

約数の個数: 16

約数和(自身を含む): 40375500

約数和(自身を除く): 19038532

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24469, 48938, 97876, 195752, 2667121, 5334242, 10668484, 21336968]

約数ペア:

[(1, 21336968), (2, 10668484), (4, 5334242), (8, 2667121), (109, 195752), (218, 97876), (436, 48938), (872, 24469)]