21886840

素因数分解:

$2^3\times 5^1\times {\mathrm{547171}}^1$

素因数の和:547182

約数の個数: 16

約数和(自身を含む): 49245480

約数和(自身を除く): 27358640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547171, 1094342, 2188684, 2735855, 4377368, 5471710, 10943420, 21886840]

約数ペア:

[(1, 21886840), (2, 10943420), (4, 5471710), (5, 4377368), (8, 2735855), (10, 2188684), (20, 1094342), (40, 547171)]