21553072

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28661}}^1$

素因数の和:28716

約数の個数: 20

約数和(自身を含む): 42649056

約数和(自身を除く): 21095984

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28661, 57322, 114644, 229288, 458576, 1347067, 2694134, 5388268, 10776536, 21553072]

約数ペア:

[(1, 21553072), (2, 10776536), (4, 5388268), (8, 2694134), (16, 1347067), (47, 458576), (94, 229288), (188, 114644), (376, 57322), (752, 28661)]