21298292

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{90247}}^1$

素因数の和:90310

約数の個数: 12

約数和(自身を含む): 37904160

約数和(自身を除く): 16605868

約数列:

[1, 2, 4, 59, 118, 236, 90247, 180494, 360988, 5324573, 10649146, 21298292]

約数ペア:

[(1, 21298292), (2, 10649146), (4, 5324573), (59, 360988), (118, 180494), (236, 90247)]