21418456

素因数分解:

$2^3\times {\mathrm{587}}^1\times {\mathrm{4561}}^1$

素因数の和:5154

約数の個数: 16

約数和(自身を含む): 40236840

約数和(自身を除く): 18818384

約数列:

[1, 2, 4, 8, 587, 1174, 2348, 4561, 4696, 9122, 18244, 36488, 2677307, 5354614, 10709228, 21418456]

約数ペア:

[(1, 21418456), (2, 10709228), (4, 5354614), (8, 2677307), (587, 36488), (1174, 18244), (2348, 9122), (4561, 4696)]