21856592

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{4127}}^1$

素因数の和:4466

約数の個数: 20

約数和(自身を含む): 42485376

約数和(自身を除く): 20628784

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 4127, 5296, 8254, 16508, 33016, 66032, 1366037, 2732074, 5464148, 10928296, 21856592]

約数ペア:

[(1, 21856592), (2, 10928296), (4, 5464148), (8, 2732074), (16, 1366037), (331, 66032), (662, 33016), (1324, 16508), (2648, 8254), (4127, 5296)]