21021176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238877}}^1$

素因数の和:238894

約数の個数: 16

約数和(自身を含む): 42998040

約数和(自身を除く): 21976864

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238877, 477754, 955508, 1911016, 2627647, 5255294, 10510588, 21021176]

約数ペア:

[(1, 21021176), (2, 10510588), (4, 5255294), (8, 2627647), (11, 1911016), (22, 955508), (44, 477754), (88, 238877)]