21667376

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28813}}^1$

素因数の和:28868

約数の個数: 20

約数和(自身を含む): 42875232

約数和(自身を除く): 21207856

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28813, 57626, 115252, 230504, 461008, 1354211, 2708422, 5416844, 10833688, 21667376]

約数ペア:

[(1, 21667376), (2, 10833688), (4, 5416844), (8, 2708422), (16, 1354211), (47, 461008), (94, 230504), (188, 115252), (376, 57626), (752, 28813)]