21175088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5231}}^1$

素因数の和:5273

約数の個数: 40

約数和(自身を含む): 46711296

約数和(自身を除く): 25536208

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5231, 10462, 20924, 41848, 57541, 83696, 115082, 120313, 230164, 240626, 460328, 481252, 920656, 962504, 1323443, 1925008, 2646886, 5293772, 10587544, 21175088]

約数ペア:

[(1, 21175088), (2, 10587544), (4, 5293772), (8, 2646886), (11, 1925008), (16, 1323443), (22, 962504), (23, 920656), (44, 481252), (46, 460328), (88, 240626), (92, 230164), (176, 120313), (184, 115082), (253, 83696), (368, 57541), (506, 41848), (1012, 20924), (2024, 10462), (4048, 5231)]