21604376

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65867}}^1$

素因数の和:65914

約数の個数: 16

約数和(自身を含む): 41496840

約数和(自身を除く): 19892464

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65867, 131734, 263468, 526936, 2700547, 5401094, 10802188, 21604376]

約数ペア:

[(1, 21604376), (2, 10802188), (4, 5401094), (8, 2700547), (41, 526936), (82, 263468), (164, 131734), (328, 65867)]